45123207946 has 16 divisors (see below), whose sum is σ = 68997547008. Its totient is φ = 22124466000.

The previous prime is 45123207937. The next prime is 45123207953. The reversal of 45123207946 is 64970232154.

It is a super-2 number, since 2×45123207946² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97711 + ... + 315901.

It is an arithmetic number, because the mean of its divisors is an integer number (4312346688).

Almost surely, 2^45123207946 is an apocalyptic number.

45123207946 is a deficient number, since it is larger than the sum of its proper divisors (23874339062).

45123207946 is a wasteful number, since it uses less digits than its factorization.

45123207946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220197.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 45123207946 in words is "forty-five billion, one hundred twenty-three million, two hundred seven thousand, nine hundred forty-six".