45156323646 has 24 divisors (see below), whose sum is σ = 111815658864. Its totient is φ = 12901806720.

The previous prime is 45156323633. The next prime is 45156323657. The reversal of 45156323646 is 64632365154.

45156323646 is a `hidden beast` number, since 4 + 5 + 1 + 5 + 632 + 3 + 6 + 4 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179191635 + ... + 179191886.

It is an arithmetic number, because the mean of its divisors is an integer number (4658985786).

Almost surely, 2^45156323646 is an apocalyptic number.

45156323646 is an abundant number, since it is smaller than the sum of its proper divisors (66659335218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45156323646 is a wasteful number, since it uses less digits than its factorization.

45156323646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358383536 (or 358383533 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 45.

The spelling of 45156323646 in words is "forty-five billion, one hundred fifty-six million, three hundred twenty-three thousand, six hundred forty-six".