45136631 has 2 divisors, whose sum is σ = 45136632. Its totient is φ = 45136630.

The previous prime is 45136601. The next prime is 45136643. The reversal of 45136631 is 13663154.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45136631 - 2²² = 40942327 is a prime.

It is a super-2 number, since 2×45136631² = 4074630916060322, 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 = 45136594 and 45136603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45136601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22568315 + 22568316.

It is an arithmetic number, because the mean of its divisors is an integer number (22568316).

Almost surely, 2^45136631 is an apocalyptic number.

45136631 is a deficient number, since it is larger than the sum of its proper divisors (1).

45136631 is an equidigital number, since it uses as much as digits as its factorization.

45136631 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 45136631 is about 6718.3800874913. The cubic root of 45136631 is about 356.0489533111.

Adding to 45136631 its reverse (13663154), we get a palindrome (58799785).

The spelling of 45136631 in words is "forty-five million, one hundred thirty-six thousand, six hundred thirty-one".