45233231 has 2 divisors, whose sum is σ = 45233232. Its totient is φ = 45233230.

The previous prime is 45233219. The next prime is 45233261. The reversal of 45233231 is 13233254.

45233231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45233231 - 2¹⁰ = 45232207 is a prime.

It is a super-2 number, since 2×45233231² = 4092090373398722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45233197 and 45233206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45233261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22616615 + 22616616.

It is an arithmetic number, because the mean of its divisors is an integer number (22616616).

Almost surely, 2^45233231 is an apocalyptic number.

45233231 is a deficient number, since it is larger than the sum of its proper divisors (1).

45233231 is an equidigital number, since it uses as much as digits as its factorization.

45233231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 23.

The square root of 45233231 is about 6725.5654780844. The cubic root of 45233231 is about 356.3027739198.

Adding to 45233231 its sum of digits (23), we get a palindrome (45233254).

Adding to 45233231 its reverse (13233254), we get a palindrome (58466485).

The spelling of 45233231 in words is "forty-five million, two hundred thirty-three thousand, two hundred thirty-one".