45144117 has 6 divisors (see below), whose sum is σ = 65208182. Its totient is φ = 30096072.

The previous prime is 45144089. The next prime is 45144119. The reversal of 45144117 is 71144154.

It can be written as a sum of positive squares in only one way, i.e., 36108081 + 9036036 = 6009^2 + 3006^2 .

It is not a de Polignac number, because 45144117 - 2¹² = 45140021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45144119) 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, 2507998 + ... + 2508015.

Almost surely, 2^45144117 is an apocalyptic number.

It is an amenable number.

45144117 is a deficient number, since it is larger than the sum of its proper divisors (20064065).

45144117 is a wasteful number, since it uses less digits than its factorization.

45144117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016019 (or 5016016 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 45144117 is about 6718.9371927411. The cubic root of 45144117 is about 356.0686360319.

The spelling of 45144117 in words is "forty-five million, one hundred forty-four thousand, one hundred seventeen".