45624331 has 2 divisors, whose sum is σ = 45624332. Its totient is φ = 45624330.

The previous prime is 45624329. The next prime is 45624373. The reversal of 45624331 is 13342654.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45624331 - 2¹ = 45624329 is a prime.

It is a super-2 number, since 2×45624331² = 4163159158395122, which contains 22 as substring.

Together with 45624329, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 45624331.

It is not a weakly prime, because it can be changed into another prime (45624391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22812165 + 22812166.

It is an arithmetic number, because the mean of its divisors is an integer number (22812166).

Almost surely, 2^45624331 is an apocalyptic number.

45624331 is a deficient number, since it is larger than the sum of its proper divisors (1).

45624331 is an equidigital number, since it uses as much as digits as its factorization.

45624331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 28.

The square root of 45624331 is about 6754.5785212699. The cubic root of 45624331 is about 357.3267284281.

Adding to 45624331 its reverse (13342654), we get a palindrome (58966985).

The spelling of 45624331 in words is "forty-five million, six hundred twenty-four thousand, three hundred thirty-one".