45101131 has 2 divisors, whose sum is σ = 45101132. Its totient is φ = 45101130.

The previous prime is 45101099. The next prime is 45101149. The reversal of 45101131 is 13110154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45101131 - 2⁵ = 45101099 is a prime.

It is a super-2 number, since 2×45101131² = 4068224034958322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45101171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22550565 + 22550566.

It is an arithmetic number, because the mean of its divisors is an integer number (22550566).

Almost surely, 2^45101131 is an apocalyptic number.

45101131 is a deficient number, since it is larger than the sum of its proper divisors (1).

45101131 is an equidigital number, since it uses as much as digits as its factorization.

45101131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 45101131 is about 6715.7375618766. The cubic root of 45101131 is about 355.9555845569.

Adding to 45101131 its reverse (13110154), we get a palindrome (58211285).

The spelling of 45101131 in words is "forty-five million, one hundred one thousand, one hundred thirty-one".