45157250 has 16 divisors (see below), whose sum is σ = 84534840. Its totient is φ = 18062800.

The previous prime is 45157249. The next prime is 45157261. The reversal of 45157250 is 5275154.

It can be written as a sum of positive squares in 4 ways, for example, as 30327049 + 14830201 = 5507^2 + 3851^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90065 + ... + 90564.

Almost surely, 2^45157250 is an apocalyptic number.

45157250 is a deficient number, since it is larger than the sum of its proper divisors (39377590).

45157250 is a wasteful number, since it uses less digits than its factorization.

45157250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180646 (or 180636 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 45157250 is about 6719.9144339791. The cubic root of 45157250 is about 356.1031609883.

The spelling of 45157250 in words is "forty-five million, one hundred fifty-seven thousand, two hundred fifty".