45531393 has 8 divisors (see below), whose sum is σ = 61440288. Its totient is φ = 29988384.

The previous prime is 45531379. The next prime is 45531397. The reversal of 45531393 is 39313554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45531393 - 2¹² = 45527297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45531397) 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, 91180 + ... + 91677.

It is an arithmetic number, because the mean of its divisors is an integer number (7680036).

Almost surely, 2^45531393 is an apocalyptic number.

It is an amenable number.

45531393 is a deficient number, since it is larger than the sum of its proper divisors (15908895).

45531393 is a wasteful number, since it uses less digits than its factorization.

45531393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182943.

The product of its digits is 24300, while the sum is 33.

The square root of 45531393 is about 6747.6953843516. The cubic root of 45531393 is about 357.0839354148.

The spelling of 45531393 in words is "forty-five million, five hundred thirty-one thousand, three hundred ninety-three".