45182331 has 6 divisors (see below), whose sum is σ = 65263380. Its totient is φ = 30121548.

The previous prime is 45182299. The next prime is 45182339. The reversal of 45182331 is 13328154.

It is a happy number.

It is not a de Polignac number, because 45182331 - 2⁵ = 45182299 is a prime.

It is a super-2 number, since 2×45182331² = 4082886069187122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45182295 and 45182304.

It is not an unprimeable number, because it can be changed into a prime (45182339) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2510121 + ... + 2510138.

It is an arithmetic number, because the mean of its divisors is an integer number (10877230).

Almost surely, 2^45182331 is an apocalyptic number.

45182331 is a deficient number, since it is larger than the sum of its proper divisors (20081049).

45182331 is a wasteful number, since it uses less digits than its factorization.

45182331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5020265 (or 5020262 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 45182331 is about 6721.7803445218. The cubic root of 45182331 is about 356.1690770951.

The spelling of 45182331 in words is "forty-five million, one hundred eighty-two thousand, three hundred thirty-one".