45901287 has 24 divisors (see below), whose sum is σ = 69582240. Its totient is φ = 29117760.

The previous prime is 45901279. The next prime is 45901301. The reversal of 45901287 is 78210954.

It is not a de Polignac number, because 45901287 - 2³ = 45901279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45901217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17293 + ... + 19769.

It is an arithmetic number, because the mean of its divisors is an integer number (2899260).

Almost surely, 2^45901287 is an apocalyptic number.

45901287 is a deficient number, since it is larger than the sum of its proper divisors (23680953).

45901287 is a wasteful number, since it uses less digits than its factorization.

45901287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583 (or 2580 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 45901287 is about 6775.0488559124. The cubic root of 45901287 is about 358.0483039802.

The spelling of 45901287 in words is "forty-five million, nine hundred one thousand, two hundred eighty-seven".