45198530 has 64 divisors (see below), whose sum is σ = 95558400. Its totient is φ = 15240960.

The previous prime is 45198509. The next prime is 45198541. The reversal of 45198530 is 3589154.

It is a super-2 number, since 2×45198530² = 4085814228321800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71315 + ... + 71945.

It is an arithmetic number, because the mean of its divisors is an integer number (1493100).

Almost surely, 2^45198530 is an apocalyptic number.

45198530 is an abundant number, since it is smaller than the sum of its proper divisors (50359870).

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

45198530 is a wasteful number, since it uses less digits than its factorization.

45198530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 45198530 is about 6722.9852000432. The cubic root of 45198530 is about 356.2116371946.

The spelling of 45198530 in words is "forty-five million, one hundred ninety-eight thousand, five hundred thirty".