45284625 has 24 divisors (see below), whose sum is σ = 81635112. Its totient is φ = 24151200.

The previous prime is 45284621. The next prime is 45284699. The reversal of 45284625 is 52648254.

It is a happy number.

45284625 is a `hidden beast` number, since 4 + 5 + 28 + 4 + 625 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5184 + 45279441 = 72^2 + 6729^2 .

It is not a de Polignac number, because 45284625 - 2² = 45284621 is a prime.

It is a super-2 number, since 2×45284625² = 4101394522781250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45284625.

It is not an unprimeable number, because it can be changed into a prime (45284621) 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, 19002 + ... + 21251.

It is an arithmetic number, because the mean of its divisors is an integer number (3401463).

Almost surely, 2^45284625 is an apocalyptic number.

45284625 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45284625 is a deficient number, since it is larger than the sum of its proper divisors (36350487).

45284625 is a wasteful number, since it uses less digits than its factorization.

45284625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40274 (or 40261 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 45284625 is about 6729.3851873704. The cubic root of 45284625 is about 356.4376665893.

The spelling of 45284625 in words is "forty-five million, two hundred eighty-four thousand, six hundred twenty-five".