45397450 has 24 divisors (see below), whose sum is σ = 96502752. Its totient is φ = 15564720.

The previous prime is 45397439. The next prime is 45397477. The reversal of 45397450 is 5479354.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64504 + ... + 65203.

It is an arithmetic number, because the mean of its divisors is an integer number (4020948).

Almost surely, 2^45397450 is an apocalyptic number.

45397450 is an abundant number, since it is smaller than the sum of its proper divisors (51105302).

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

45397450 is a wasteful number, since it uses less digits than its factorization.

45397450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129726 (or 129721 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 45397450 is about 6737.7629818806. The cubic root of 45397450 is about 356.7334382612.

It can be divided in two parts, 453 and 97450, that added together give a triangular number (97903 = T₄₄₂).

The spelling of 45397450 in words is "forty-five million, three hundred ninety-seven thousand, four hundred fifty".