45297231 has 32 divisors (see below), whose sum is σ = 75460608. Its totient is φ = 23569920.

The previous prime is 45297227. The next prime is 45297233. The reversal of 45297231 is 13279254.

It is not a de Polignac number, because 45297231 - 2² = 45297227 is a prime.

It is a super-2 number, since 2×45297231² = 4103678272534722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45297192 and 45297201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45297233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9021 + ... + 13113.

It is an arithmetic number, because the mean of its divisors is an integer number (2358144).

Almost surely, 2^45297231 is an apocalyptic number.

45297231 is a deficient number, since it is larger than the sum of its proper divisors (30163377).

45297231 is a wasteful number, since it uses less digits than its factorization.

45297231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4151.

The product of its digits is 15120, while the sum is 33.

The square root of 45297231 is about 6730.3217605104. The cubic root of 45297231 is about 356.4707376839.

The spelling of 45297231 in words is "forty-five million, two hundred ninety-seven thousand, two hundred thirty-one".