45144673 has 16 divisors (see below), whose sum is σ = 55206144. Its totient is φ = 36034560.

The previous prime is 45144661. The next prime is 45144683. The reversal of 45144673 is 37644154.

It is a de Polignac number, because none of the positive numbers 2^k-45144673 is a prime.

45144673 is a Rhonda number in base 10.

Its product of digits (40320) is a multiple of the sum of its prime divisors (4032).

It is not an unprimeable number, because it can be changed into a prime (45144623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9588 + ... + 13498.

It is an arithmetic number, because the mean of its divisors is an integer number (3450384).

Almost surely, 2^45144673 is an apocalyptic number.

It is an amenable number.

45144673 is a deficient number, since it is larger than the sum of its proper divisors (10061471).

45144673 is a wasteful number, since it uses less digits than its factorization.

45144673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032.

The product of its digits is 40320, while the sum is 34.

The square root of 45144673 is about 6718.9785682051. The cubic root of 45144673 is about 356.0700978197.

The spelling of 45144673 in words is "forty-five million, one hundred forty-four thousand, six hundred seventy-three".