45444871 has 6 divisors (see below), whose sum is σ = 45863480. Its totient is φ = 45030048.

The previous prime is 45444863. The next prime is 45444877. The reversal of 45444871 is 17844454.

It is a happy number.

It is not a de Polignac number, because 45444871 - 2³ = 45444863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45444871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45444877) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10990 + ... + 14548.

Almost surely, 2^45444871 is an apocalyptic number.

45444871 is a deficient number, since it is larger than the sum of its proper divisors (418609).

45444871 is an equidigital number, since it uses as much as digits as its factorization.

45444871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3785 (or 3672 counting only the distinct ones).

The product of its digits is 71680, while the sum is 37.

The square root of 45444871 is about 6741.2811097001. The cubic root of 45444871 is about 356.8576065391.

The spelling of 45444871 in words is "forty-five million, four hundred forty-four thousand, eight hundred seventy-one".