45198825 has 60 divisors (see below), whose sum is σ = 87525648. Its totient is φ = 20580000.

The previous prime is 45198821. The next prime is 45198871. The reversal of 45198825 is 52889154.

It is a happy number.

It is not a de Polignac number, because 45198825 - 2² = 45198821 is a prime.

It is a super-3 number, since 3×45198825³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (45198821) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 179950 + ... + 180200.

Almost surely, 2^45198825 is an apocalyptic number.

It is an amenable number.

45198825 is a deficient number, since it is larger than the sum of its proper divisors (42326823).

45198825 is an equidigital number, since it uses as much as digits as its factorization.

45198825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 266 counting only the distinct ones).

The product of its digits is 115200, while the sum is 42.

The square root of 45198825 is about 6723.0071396660. The cubic root of 45198825 is about 356.2124121623.

The spelling of 45198825 in words is "forty-five million, one hundred ninety-eight thousand, eight hundred twenty-five".