45605025 has 36 divisors (see below), whose sum is σ = 84720272. Its totient is φ = 24319440.

The previous prime is 45605017. The next prime is 45605047. The reversal of 45605025 is 52050654.

45605025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45605025 - 2³ = 45605017 is a prime.

It is a super-5 number, since 5×45605025⁵ (a number of 39 digits) contains 55555 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45605025.

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 35 ways as a sum of consecutive naturals, for example, 2322 + ... + 9828.

Almost surely, 2^45605025 is an apocalyptic number.

45605025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45605025 is a deficient number, since it is larger than the sum of its proper divisors (39115247).

45605025 is an equidigital number, since it uses as much as digits as its factorization.

45605025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7532 (or 7515 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 45605025 is about 6753.1492653428. The cubic root of 45605025 is about 357.2763202143.

Adding to 45605025 its reverse (52050654), we get a palindrome (97655679).

The spelling of 45605025 in words is "forty-five million, six hundred five thousand, twenty-five".