45180887 has 2 divisors, whose sum is σ = 45180888. Its totient is φ = 45180886.

The previous prime is 45180791. The next prime is 45180899. The reversal of 45180887 is 78808154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45180887 - 2¹⁴ = 45164503 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45180287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22590443 + 22590444.

It is an arithmetic number, because the mean of its divisors is an integer number (22590444).

Almost surely, 2^45180887 is an apocalyptic number.

45180887 is a deficient number, since it is larger than the sum of its proper divisors (1).

45180887 is an equidigital number, since it uses as much as digits as its factorization.

45180887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71680, while the sum is 41.

The square root of 45180887 is about 6721.6729316443. The cubic root of 45180887 is about 356.1652827385.

The spelling of 45180887 in words is "forty-five million, one hundred eighty thousand, eight hundred eighty-seven".