45570231 has 12 divisors (see below), whose sum is σ = 75227152. Its totient is φ = 26040096.

The previous prime is 45570221. The next prime is 45570241. The reversal of 45570231 is 13207554.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45570221) and next prime (45570241).

It is not a de Polignac number, because 45570231 - 2⁶ = 45570167 is a prime.

It is a super-2 number, since 2×45570231² = 4153291906786722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45570195 and 45570204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45570221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 361606 + ... + 361731.

Almost surely, 2^45570231 is an apocalyptic number.

45570231 is a deficient number, since it is larger than the sum of its proper divisors (29656921).

45570231 is a wasteful number, since it uses less digits than its factorization.

45570231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723350 (or 723347 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 45570231 is about 6750.5726423763. The cubic root of 45570231 is about 357.1854366986.

Adding to 45570231 its reverse (13207554), we get a palindrome (58777785).

The spelling of 45570231 in words is "forty-five million, five hundred seventy thousand, two hundred thirty-one".