45003631 has 2 divisors, whose sum is σ = 45003632. Its totient is φ = 45003630.

The previous prime is 45003601. The next prime is 45003683. The reversal of 45003631 is 13630054.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45003631 is a prime.

It is a super-2 number, since 2×45003631² = 4050653606368322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45003601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22501815 + 22501816.

It is an arithmetic number, because the mean of its divisors is an integer number (22501816).

Almost surely, 2^45003631 is an apocalyptic number.

45003631 is a deficient number, since it is larger than the sum of its proper divisors (1).

45003631 is an equidigital number, since it uses as much as digits as its factorization.

45003631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 45003631 is about 6708.4745658011. The cubic root of 45003631 is about 355.6988969173.

Adding to 45003631 its reverse (13630054), we get a palindrome (58633685).

The spelling of 45003631 in words is "forty-five million, three thousand, six hundred thirty-one".