45217570 has 32 divisors (see below), whose sum is σ = 83135808. Its totient is φ = 17704128.

The previous prime is 45217567. The next prime is 45217573. The reversal of 45217570 is 7571254.

It is an interprime number because it is at equal distance from previous prime (45217567) and next prime (45217573).

It is not an unprimeable number, because it can be changed into a prime (45217573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130137 + ... + 130483.

It is an arithmetic number, because the mean of its divisors is an integer number (2597994).

Almost surely, 2^45217570 is an apocalyptic number.

45217570 is a deficient number, since it is larger than the sum of its proper divisors (37918238).

45217570 is a wasteful number, since it uses less digits than its factorization.

45217570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 45217570 is about 6724.4010885729. The cubic root of 45217570 is about 356.2616485367.

The spelling of 45217570 in words is "forty-five million, two hundred seventeen thousand, five hundred seventy".