45112225 has 6 divisors (see below), whose sum is σ = 55939190. Its totient is φ = 36089760.

The previous prime is 45112189. The next prime is 45112241. The reversal of 45112225 is 52221154.

It can be written as a sum of positive squares in 3 ways, for example, as 7569 + 45104656 = 87^2 + 6716^2 .

It is not a de Polignac number, because 45112225 - 2⁷ = 45112097 is a prime.

It is a super-2 number, since 2×45112225² = 4070225688901250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45112196 and 45112205.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 902220 + ... + 902269.

Almost surely, 2^45112225 is an apocalyptic number.

It is an amenable number.

45112225 is a deficient number, since it is larger than the sum of its proper divisors (10826965).

45112225 is a wasteful number, since it uses less digits than its factorization.

45112225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804499 (or 1804494 counting only the distinct ones).

The product of its digits is 800, while the sum is 22.

The square root of 45112225 is about 6716.5634814241. The cubic root of 45112225 is about 355.9847682117.

Adding to 45112225 its reverse (52221154), we get a palindrome (97333379).

The spelling of 45112225 in words is "forty-five million, one hundred twelve thousand, two hundred twenty-five".