45180131 has 2 divisors, whose sum is σ = 45180132. Its totient is φ = 45180130.

The previous prime is 45180127. The next prime is 45180133. The reversal of 45180131 is 13108154.

45180131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45180131 - 2² = 45180127 is a prime.

It is a super-2 number, since 2×45180131² = 4082488474354322, which contains 22 as substring.

Together with 45180133, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45180097 and 45180106.

It is not a weakly prime, because it can be changed into another prime (45180133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22590065 + 22590066.

It is an arithmetic number, because the mean of its divisors is an integer number (22590066).

Almost surely, 2^45180131 is an apocalyptic number.

45180131 is a deficient number, since it is larger than the sum of its proper divisors (1).

45180131 is an equidigital number, since it uses as much as digits as its factorization.

45180131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 45180131 is about 6721.6166954089. The cubic root of 45180131 is about 356.1632961872.

Adding to 45180131 its reverse (13108154), we get a palindrome (58288285).

The spelling of 45180131 in words is "forty-five million, one hundred eighty thousand, one hundred thirty-one".