45049851 has 80 divisors (see below), whose sum is σ = 86980608. Its totient is φ = 22550400.

The previous prime is 45049811. The next prime is 45049859. The reversal of 45049851 is 15894054.

It is not a de Polignac number, because 45049851 - 2⁷ = 45049723 is a prime.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (45049859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 193231 + ... + 193463.

Almost surely, 2^45049851 is an apocalyptic number.

45049851 is a deficient number, since it is larger than the sum of its proper divisors (41930757).

45049851 is a wasteful number, since it uses less digits than its factorization.

45049851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 45049851 is about 6711.9185781712. The cubic root of 45049851 is about 355.8206261912.

The spelling of 45049851 in words is "forty-five million, forty-nine thousand, eight hundred fifty-one".