45250812 has 30 divisors (see below), whose sum is σ = 118295408. Its totient is φ = 15083496.

The previous prime is 45250789. The next prime is 45250813. The reversal of 45250812 is 21805254.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45250813) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 69508 + ... + 70155.

Almost surely, 2^45250812 is an apocalyptic number.

It is an amenable number.

45250812 is an abundant number, since it is smaller than the sum of its proper divisors (73044596).

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

45250812 is a wasteful number, since it uses less digits than its factorization.

45250812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139679 (or 139668 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 45250812 is about 6726.8723787508. The cubic root of 45250812 is about 356.3489298656.

The spelling of 45250812 in words is "forty-five million, two hundred fifty thousand, eight hundred twelve".