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145054344533 = 720722049219
BaseRepresentation
bin1000011100010111101…
…0011010010101010101
3111212102002100011222212
42013011322122111111
54334032403011113
6150345334003205
713323403404440
oct2070572322525
9455362304885
10145054344533
1156576439a8a
12241424a6505
13108a8a6a5c7
1470409d8657
153b8e8100a8
hex21c5e9a555

145054344533 has 4 divisors (see below), whose sum is σ = 165776393760. Its totient is φ = 124332295308.

The previous prime is 145054344469. The next prime is 145054344569. The reversal of 145054344533 is 335443450541.

It is a happy number.

145054344533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145054344533 - 26 = 145054344469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145054344583) 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 3 ways as a sum of consecutive naturals, for example, 10361024603 + ... + 10361024616.

It is an arithmetic number, because the mean of its divisors is an integer number (41444098440).

Almost surely, 2145054344533 is an apocalyptic number.

It is an amenable number.

145054344533 is a deficient number, since it is larger than the sum of its proper divisors (20722049227).

145054344533 is an equidigital number, since it uses as much as digits as its factorization.

145054344533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20722049226.

The product of its (nonzero) digits is 864000, while the sum is 41.

The spelling of 145054344533 in words is "one hundred forty-five billion, fifty-four million, three hundred forty-four thousand, five hundred thirty-three".

Divisors: 1 7 20722049219 145054344533