45915492 has 24 divisors (see below), whose sum is σ = 122441536. Its totient is φ = 13118688.

The previous prime is 45915491. The next prime is 45915547. The reversal of 45915492 is 29451954.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 45915492.

It is not an unprimeable number, because it can be changed into a prime (45915491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273223 + ... + 273390.

Almost surely, 2^45915492 is an apocalyptic number.

45915492 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

45915492 is an abundant number, since it is smaller than the sum of its proper divisors (76526044).

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

45915492 is a wasteful number, since it uses less digits than its factorization.

45915492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546627 (or 546625 counting only the distinct ones).

The product of its digits is 64800, while the sum is 39.

The square root of 45915492 is about 6776.0971067422. The cubic root of 45915492 is about 358.0852350550.

It can be divided in two parts, 459 and 15492, that added together give a palindrome (15951).

The spelling of 45915492 in words is "forty-five million, nine hundred fifteen thousand, four hundred ninety-two".