45250515 has 32 divisors (see below), whose sum is σ = 85181760. Its totient is φ = 22712832.

The previous prime is 45250493. The next prime is 45250523. The reversal of 45250515 is 51505254.

It is not a de Polignac number, because 45250515 - 2⁶ = 45250451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7564 + ... + 12153.

It is an arithmetic number, because the mean of its divisors is an integer number (2661930).

Almost surely, 2^45250515 is an apocalyptic number.

45250515 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45250515 is a deficient number, since it is larger than the sum of its proper divisors (39931245).

45250515 is a wasteful number, since it uses less digits than its factorization.

45250515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19748 (or 19742 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 45250515 is about 6726.8503030765. The cubic root of 45250515 is about 356.3481502415.

Adding to 45250515 its reverse (51505254), we get a palindrome (96755769).

The spelling of 45250515 in words is "forty-five million, two hundred fifty thousand, five hundred fifteen".