45633131 has 2 divisors, whose sum is σ = 45633132. Its totient is φ = 45633130.

The previous prime is 45633073. The next prime is 45633139. The reversal of 45633131 is 13133654.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45633131 - 2¹⁰ = 45632107 is a prime.

It is a super-2 number, since 2×45633131² = 4164765289726322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45633131.

It is not a weakly prime, because it can be changed into another prime (45633139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22816565 + 22816566.

It is an arithmetic number, because the mean of its divisors is an integer number (22816566).

Almost surely, 2^45633131 is an apocalyptic number.

45633131 is a deficient number, since it is larger than the sum of its proper divisors (1).

45633131 is an equidigital number, since it uses as much as digits as its factorization.

45633131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 26.

The square root of 45633131 is about 6755.2298998628. The cubic root of 45633131 is about 357.3497006229.

Adding to 45633131 its reverse (13133654), we get a palindrome (58766785).

The spelling of 45633131 in words is "forty-five million, six hundred thirty-three thousand, one hundred thirty-one".