45215875 has 8 divisors (see below), whose sum is σ = 56429568. Its totient is φ = 36172600.

The previous prime is 45215857. The next prime is 45215879. The reversal of 45215875 is 57851254.

It is not a de Polignac number, because 45215875 - 2¹¹ = 45213827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45215879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180739 + ... + 180988.

It is an arithmetic number, because the mean of its divisors is an integer number (7053696).

Almost surely, 2^45215875 is an apocalyptic number.

45215875 is a deficient number, since it is larger than the sum of its proper divisors (11213693).

45215875 is an equidigital number, since it uses as much as digits as its factorization.

45215875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361742 (or 361732 counting only the distinct ones).

The product of its digits is 56000, while the sum is 37.

The square root of 45215875 is about 6724.2750538627. The cubic root of 45215875 is about 356.2571969409.

The spelling of 45215875 in words is "forty-five million, two hundred fifteen thousand, eight hundred seventy-five".