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145382475739 = 521279045059
BaseRepresentation
bin1000011101100101111…
…0001000011111011011
3111220020221202222101111
42013121132020133123
54340220403210424
6150442055001151
713334466440254
oct2073136103733
9456227688344
10145382475739
11567246878a6
12242143691b7
131092ba37897
147072411b2b
153bad529194
hex21d97887db

145382475739 has 4 divisors (see below), whose sum is σ = 145661521320. Its totient is φ = 145103430160.

The previous prime is 145382475709. The next prime is 145382475743. The reversal of 145382475739 is 937574283541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145382475739 - 27 = 145382475611 is a prime.

It is a super-2 number, since 2×1453824757392 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145382475709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139522009 + ... + 139523050.

It is an arithmetic number, because the mean of its divisors is an integer number (36415380330).

Almost surely, 2145382475739 is an apocalyptic number.

145382475739 is a deficient number, since it is larger than the sum of its proper divisors (279045581).

145382475739 is an equidigital number, since it uses as much as digits as its factorization.

145382475739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279045580.

The product of its digits is 25401600, while the sum is 58.

The spelling of 145382475739 in words is "one hundred forty-five billion, three hundred eighty-two million, four hundred seventy-five thousand, seven hundred thirty-nine".

Divisors: 1 521 279045059 145382475739