45444851 has 16 divisors (see below), whose sum is σ = 48232800. Its totient is φ = 42766080.

The previous prime is 45444823. The next prime is 45444857. The reversal of 45444851 is 15844454.

It is a de Polignac number, because none of the positive numbers 2^k-45444851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45444857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262601 + ... + 262773.

It is an arithmetic number, because the mean of its divisors is an integer number (3014550).

Almost surely, 2^45444851 is an apocalyptic number.

45444851 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

45444851 is a deficient number, since it is larger than the sum of its proper divisors (2787949).

45444851 is a wasteful number, since it uses less digits than its factorization.

45444851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406.

The product of its digits is 51200, while the sum is 35.

The square root of 45444851 is about 6741.2796263024. The cubic root of 45444851 is about 356.8575541888.

The spelling of 45444851 in words is "forty-five million, four hundred forty-four thousand, eight hundred fifty-one".