45156012 has 48 divisors (see below), whose sum is σ = 121709952. Its totient is φ = 12878080.

The previous prime is 45156011. The next prime is 45156031. The reversal of 45156012 is 21065154.

It is not an unprimeable number, because it can be changed into a prime (45156011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7818 + ... + 12305.

It is an arithmetic number, because the mean of its divisors is an integer number (2535624).

Almost surely, 2^45156012 is an apocalyptic number.

It is an amenable number.

45156012 is an abundant number, since it is smaller than the sum of its proper divisors (76553940).

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

45156012 is a wasteful number, since it uses less digits than its factorization.

45156012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20158 (or 20156 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 45156012 is about 6719.8223190796. The cubic root of 45156012 is about 356.0999067324.

The spelling of 45156012 in words is "forty-five million, one hundred fifty-six thousand, twelve".