45124515 has 12 divisors (see below), whose sum is σ = 78215904. Its totient is φ = 24066384.

The previous prime is 45124507. The next prime is 45124517. The reversal of 45124515 is 51542154.

It is not a de Polignac number, because 45124515 - 2³ = 45124507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45124517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 501339 + ... + 501428.

It is an arithmetic number, because the mean of its divisors is an integer number (6517992).

Almost surely, 2^45124515 is an apocalyptic number.

45124515 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45124515 is a deficient number, since it is larger than the sum of its proper divisors (33091389).

45124515 is a wasteful number, since it uses less digits than its factorization.

45124515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002778 (or 1002775 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 45124515 is about 6717.4783215132. The cubic root of 45124515 is about 356.0170924546.

Adding to 45124515 its reverse (51542154), we get a palindrome (96666669).

The spelling of 45124515 in words is "forty-five million, one hundred twenty-four thousand, five hundred fifteen".