45235231 has 12 divisors (see below), whose sum is σ = 47298576. Its totient is φ = 43256160.

The previous prime is 45235199. The next prime is 45235237. The reversal of 45235231 is 13253254.

It is not a de Polignac number, because 45235231 - 2⁵ = 45235199 is a prime.

It is a super-2 number, since 2×45235231² = 4092452247246722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45235196 and 45235205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45235237) 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, 98755 + ... + 99211.

It is an arithmetic number, because the mean of its divisors is an integer number (3941548).

Almost surely, 2^45235231 is an apocalyptic number.

45235231 is a deficient number, since it is larger than the sum of its proper divisors (2063345).

45235231 is a wasteful number, since it uses less digits than its factorization.

45235231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 591 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 45235231 is about 6725.7141628232. The cubic root of 45235231 is about 356.3080251848.

Adding to 45235231 its reverse (13253254), we get a palindrome (58488485).

The spelling of 45235231 in words is "forty-five million, two hundred thirty-five thousand, two hundred thirty-one".