45014891 has 2 divisors, whose sum is σ = 45014892. Its totient is φ = 45014890.

The previous prime is 45014833. The next prime is 45014897. The reversal of 45014891 is 19841054.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45014891 is a prime.

It is not a weakly prime, because it can be changed into another prime (45014897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22507445 + 22507446.

It is an arithmetic number, because the mean of its divisors is an integer number (22507446).

Almost surely, 2^45014891 is an apocalyptic number.

45014891 is a deficient number, since it is larger than the sum of its proper divisors (1).

45014891 is an equidigital number, since it uses as much as digits as its factorization.

45014891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 45014891 is about 6709.3137503026. The cubic root of 45014891 is about 355.7285599727.

The spelling of 45014891 in words is "forty-five million, fourteen thousand, eight hundred ninety-one".