45512025 has 24 divisors (see below), whose sum is σ = 81036480. Its totient is φ = 22405440.

The previous prime is 45512023. The next prime is 45512057. The reversal of 45512025 is 52021554.

It is a happy number.

It is not a de Polignac number, because 45512025 - 2¹ = 45512023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45511986 and 45512004.

It is not an unprimeable number, because it can be changed into a prime (45512021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22365 + ... + 24314.

It is an arithmetic number, because the mean of its divisors is an integer number (3376520).

Almost surely, 2^45512025 is an apocalyptic number.

It is an amenable number.

45512025 is a deficient number, since it is larger than the sum of its proper divisors (35524455).

45512025 is a wasteful number, since it uses less digits than its factorization.

45512025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46705 (or 46700 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 45512025 is about 6746.2600750342. The cubic root of 45512025 is about 357.0332964888.

Adding to 45512025 its reverse (52021554), we get a palindrome (97533579).

The spelling of 45512025 in words is "forty-five million, five hundred twelve thousand, twenty-five".