45215127 has 6 divisors (see below), whose sum is σ = 65310752. Its totient is φ = 30143412.

The previous prime is 45215119. The next prime is 45215161. The reversal of 45215127 is 72151254.

It is not a de Polignac number, because 45215127 - 2³ = 45215119 is a prime.

It is a super-2 number, since 2×45215127² = 4088815419252258, which contains 22 as substring.

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 45215127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45215167) 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, 2511943 + ... + 2511960.

Almost surely, 2^45215127 is an apocalyptic number.

45215127 is a deficient number, since it is larger than the sum of its proper divisors (20095625).

45215127 is a wasteful number, since it uses less digits than its factorization.

45215127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5023909 (or 5023906 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 45215127 is about 6724.2194342541. The cubic root of 45215127 is about 356.2552324255.

The spelling of 45215127 in words is "forty-five million, two hundred fifteen thousand, one hundred twenty-seven".