45297530 has 16 divisors (see below), whose sum is σ = 81889704. Its totient is φ = 18040320.

The previous prime is 45297523. The next prime is 45297559. The reversal of 45297530 is 3579254.

It can be written as a sum of positive squares in 4 ways, for example, as 23609881 + 21687649 = 4859^2 + 4657^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7391 + ... + 12050.

Almost surely, 2^45297530 is an apocalyptic number.

45297530 is a deficient number, since it is larger than the sum of its proper divisors (36592174).

45297530 is a wasteful number, since it uses less digits than its factorization.

45297530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19681.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 45297530 is about 6730.3439733791. The cubic root of 45297530 is about 356.4715220182.

The spelling of 45297530 in words is "forty-five million, two hundred ninety-seven thousand, five hundred thirty".