44945287 has 2 divisors, whose sum is σ = 44945288. Its totient is φ = 44945286.

The previous prime is 44945239. The next prime is 44945291. The reversal of 44945287 is 78254944.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44945287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44945237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22472643 + 22472644.

It is an arithmetic number, because the mean of its divisors is an integer number (22472644).

Almost surely, 2^44945287 is an apocalyptic number.

44945287 is a deficient number, since it is larger than the sum of its proper divisors (1).

44945287 is an equidigital number, since it uses as much as digits as its factorization.

44945287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 43.

The square root of 44945287 is about 6704.1246259299. The cubic root of 44945287 is about 355.5451176877.

The spelling of 44945287 in words is "forty-four million, nine hundred forty-five thousand, two hundred eighty-seven".