45449424 has 50 divisors (see below), whose sum is σ = 131547570. Its totient is φ = 15149376.

The previous prime is 45449399. The next prime is 45449473. The reversal of 45449424 is 42494454.

It is a happy number.

45449424 is a `hidden beast` number, since 4 + 544 + 94 + 24 = 666.

It can be written as a sum of positive squares in only one way, i.e., 45319824 + 129600 = 6732^2 + 360^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16239 + ... + 18830.

Almost surely, 2^45449424 is an apocalyptic number.

It is an amenable number.

45449424 is an abundant number, since it is smaller than the sum of its proper divisors (86098146).

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

45449424 is a wasteful number, since it uses less digits than its factorization.

45449424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35089 (or 35074 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 45449424 is about 6741.6187966986. The cubic root of 45449424 is about 356.8695236773.

The spelling of 45449424 in words is "forty-five million, four hundred forty-nine thousand, four hundred twenty-four".