45397570 has 16 divisors (see below), whose sum is σ = 81979128. Its totient is φ = 18100480.

The previous prime is 45397567. The next prime is 45397577. The reversal of 45397570 is 7579354.

It can be written as a sum of positive squares in 4 ways, for example, as 10220809 + 35176761 = 3197^2 + 5931^2 .

It is not an unprimeable number, because it can be changed into a prime (45397577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3991 + ... + 10330.

Almost surely, 2^45397570 is an apocalyptic number.

45397570 is a deficient number, since it is larger than the sum of its proper divisors (36581558).

45397570 is a wasteful number, since it uses less digits than its factorization.

45397570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14645.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 45397570 is about 6737.7718869074. The cubic root of 45397570 is about 356.7337525812.

The spelling of 45397570 in words is "forty-five million, three hundred ninety-seven thousand, five hundred seventy".