45911287 has 2 divisors, whose sum is σ = 45911288. Its totient is φ = 45911286.

The previous prime is 45911249. The next prime is 45911297. The reversal of 45911287 is 78211954.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45911287 - 2¹⁵ = 45878519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45911297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22955643 + 22955644.

It is an arithmetic number, because the mean of its divisors is an integer number (22955644).

Almost surely, 2^45911287 is an apocalyptic number.

45911287 is a deficient number, since it is larger than the sum of its proper divisors (1).

45911287 is an equidigital number, since it uses as much as digits as its factorization.

45911287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 37.

The square root of 45911287 is about 6775.7868177799. The cubic root of 45911287 is about 358.0743034186.

The spelling of 45911287 in words is "forty-five million, nine hundred eleven thousand, two hundred eighty-seven".