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145143437265 = 3253225409717
BaseRepresentation
bin1000011100101100111…
…0010001011111010001
3111212122021222120020200
42013023032101133101
54334223204443030
6150402235325413
713325534601141
oct2071316213721
9455567876220
10145143437265
1156611760742
12241682b0869
13108c13625b8
14704c78a921
153b9755cd60
hex21cb3917d1

145143437265 has 12 divisors (see below), whose sum is σ = 251581958004. Its totient is φ = 77409833184.

The previous prime is 145143437209. The next prime is 145143437269. The reversal of 145143437265 is 562734341541.

145143437265 is a `hidden beast` number, since 1 + 4 + 514 + 3 + 4 + 3 + 72 + 65 = 666.

145143437265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 34860997521 + 110282439744 = 186711^2 + 332088^2 .

It is not a de Polignac number, because 145143437265 - 27 = 145143437137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 3225409717 = 145143437265 / (1 + 4 + 5 + 1 + 4 + 3 + 4 + 3 + 7 + 2 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 145143437265.

It is not an unprimeable number, because it can be changed into a prime (145143437269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1612704814 + ... + 1612704903.

It is an arithmetic number, because the mean of its divisors is an integer number (20965163167).

Almost surely, 2145143437265 is an apocalyptic number.

145143437265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145143437265 is a deficient number, since it is larger than the sum of its proper divisors (106438520739).

145143437265 is a wasteful number, since it uses less digits than its factorization.

145143437265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225409728 (or 3225409725 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The spelling of 145143437265 in words is "one hundred forty-five billion, one hundred forty-three million, four hundred thirty-seven thousand, two hundred sixty-five".

Divisors: 1 3 5 9 15 45 3225409717 9676229151 16127048585 29028687453 48381145755 145143437265