45371790 has 48 divisors (see below), whose sum is σ = 118418976. Its totient is φ = 12052800.

The previous prime is 45371783. The next prime is 45371839. The reversal of 45371790 is 9717354.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27180 + ... + 28800.

It is an arithmetic number, because the mean of its divisors is an integer number (2467062).

Almost surely, 2^45371790 is an apocalyptic number.

45371790 is an abundant number, since it is smaller than the sum of its proper divisors (73047186).

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

45371790 is a wasteful number, since it uses less digits than its factorization.

45371790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945 (or 1942 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 45371790 is about 6735.8585198919. The cubic root of 45371790 is about 356.6662134484. Note that the first 3 decimals are identical.

The spelling of 45371790 in words is "forty-five million, three hundred seventy-one thousand, seven hundred ninety".