45156225 has 12 divisors (see below), whose sum is σ = 74658416. Its totient is φ = 24083280.

The previous prime is 45156203. The next prime is 45156227. The reversal of 45156225 is 52265154.

It is not a de Polignac number, because 45156225 - 2¹¹ = 45154177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45156192 and 45156201.

It is not an unprimeable number, because it can be changed into a prime (45156227) 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, 300967 + ... + 301116.

Almost surely, 2^45156225 is an apocalyptic number.

It is an amenable number.

45156225 is a deficient number, since it is larger than the sum of its proper divisors (29502191).

45156225 is a wasteful number, since it uses less digits than its factorization.

45156225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602096 (or 602091 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 45156225 is about 6719.8381676942. The cubic root of 45156225 is about 356.1004666369.

The spelling of 45156225 in words is "forty-five million, one hundred fifty-six thousand, two hundred twenty-five".