45232931 has 2 divisors, whose sum is σ = 45232932. Its totient is φ = 45232930.

The previous prime is 45232919. The next prime is 45232933. The reversal of 45232931 is 13923254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45232931 - 2⁶ = 45232867 is a prime.

It is a super-2 number, since 2×45232931² = 4092036093701522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 45232933, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45232894 and 45232903.

It is not a weakly prime, because it can be changed into another prime (45232933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22616465 + 22616466.

It is an arithmetic number, because the mean of its divisors is an integer number (22616466).

Almost surely, 2^45232931 is an apocalyptic number.

45232931 is a deficient number, since it is larger than the sum of its proper divisors (1).

45232931 is an equidigital number, since it uses as much as digits as its factorization.

45232931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 45232931 is about 6725.5431750900. The cubic root of 45232931 is about 356.3019862167.

The spelling of 45232931 in words is "forty-five million, two hundred thirty-two thousand, nine hundred thirty-one".