45143967 has 16 divisors (see below), whose sum is σ = 67783680. Its totient is φ = 26476800.

The previous prime is 45143957. The next prime is 45143971. The reversal of 45143967 is 76934154.

It is a de Polignac number, because none of the positive numbers 2^k-45143967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45143927) 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, 21042 + ... + 23087.

It is an arithmetic number, because the mean of its divisors is an integer number (4236480).

Almost surely, 2^45143967 is an apocalyptic number.

45143967 is a deficient number, since it is larger than the sum of its proper divisors (22639713).

45143967 is a wasteful number, since it uses less digits than its factorization.

45143967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44174.

The product of its digits is 90720, while the sum is 39.

The square root of 45143967 is about 6718.9260302522. The cubic root of 45143967 is about 356.0682416627.

The spelling of 45143967 in words is "forty-five million, one hundred forty-three thousand, nine hundred sixty-seven".