45902225 has 12 divisors (see below), whose sum is σ = 57092700. Its totient is φ = 36609600.

The previous prime is 45902191. The next prime is 45902249. The reversal of 45902225 is 52220954.

45902225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 528529 + 45373696 = 727^2 + 6736^2 .

It is not a de Polignac number, because 45902225 - 2⁶ = 45902161 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6095 + ... + 11355.

It is an arithmetic number, because the mean of its divisors is an integer number (4757725).

Almost surely, 2^45902225 is an apocalyptic number.

It is an amenable number.

45902225 is a deficient number, since it is larger than the sum of its proper divisors (11190475).

45902225 is a wasteful number, since it uses less digits than its factorization.

45902225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5620 (or 5615 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 45902225 is about 6775.1180801518. The cubic root of 45902225 is about 358.0507428880.

The spelling of 45902225 in words is "forty-five million, nine hundred two thousand, two hundred twenty-five".