45751812 has 12 divisors (see below), whose sum is σ = 106754256. Its totient is φ = 15250600.

The previous prime is 45751799. The next prime is 45751819. The reversal of 45751812 is 21815754.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (45751819) 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 3 ways as a sum of consecutive naturals, for example, 1906314 + ... + 1906337.

It is an arithmetic number, because the mean of its divisors is an integer number (8896188).

Almost surely, 2^45751812 is an apocalyptic number.

It is an amenable number.

45751812 is an abundant number, since it is smaller than the sum of its proper divisors (61002444).

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

45751812 is a wasteful number, since it uses less digits than its factorization.

45751812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812658 (or 3812656 counting only the distinct ones).

The product of its digits is 11200, while the sum is 33.

The square root of 45751812 is about 6764.0085748024. The cubic root of 45751812 is about 357.6592265109.

The spelling of 45751812 in words is "forty-five million, seven hundred fifty-one thousand, eight hundred twelve".