45089420 has 24 divisors (see below), whose sum is σ = 95172000. Its totient is φ = 17943552.

The previous prime is 45089419. The next prime is 45089437. The reversal of 45089420 is 2498054.

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, 1685 + ... + 9644.

It is an arithmetic number, because the mean of its divisors is an integer number (3965500).

Almost surely, 2^45089420 is an apocalyptic number.

It is an amenable number.

45089420 is an abundant number, since it is smaller than the sum of its proper divisors (50082580).

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

45089420 is a wasteful number, since it uses less digits than its factorization.

45089420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11537 (or 11535 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 45089420 is about 6714.8655980593. The cubic root of 45089420 is about 355.9247726414.

The spelling of 45089420 in words is "forty-five million, eighty-nine thousand, four hundred twenty".