45619992 has 48 divisors (see below), whose sum is σ = 134788680. Its totient is φ = 13824000.

The previous prime is 45619967. The next prime is 45619997. The reversal of 45619992 is 29991654.

45619992 is a `hidden beast` number, since 456 + 199 + 9 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45619997) 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 11 ways as a sum of consecutive naturals, for example, 28009 + ... + 29592.

Almost surely, 2^45619992 is an apocalyptic number.

It is an amenable number.

45619992 is an abundant number, since it is smaller than the sum of its proper divisors (89168688).

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

45619992 is a wasteful number, since it uses less digits than its factorization.

45619992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57624 (or 57617 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 45619992 is about 6754.2573240883. The cubic root of 45619992 is about 357.3154004824.

The spelling of 45619992 in words is "forty-five million, six hundred nineteen thousand, nine hundred ninety-two".