45646425 has 36 divisors (see below), whose sum is σ = 89195184. Its totient is φ = 22130400.

The previous prime is 45646399. The next prime is 45646429. The reversal of 45646425 is 52464654.

45646425 is a `hidden beast` number, since 4 + 5 + 6 + 4 + 642 + 5 = 666.

It is not a de Polignac number, because 45646425 - 2⁷ = 45646297 is a prime.

It is a super-2 number, since 2×45646425² = 4167192230561250, 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 45646425.

It is not an unprimeable number, because it can be changed into a prime (45646429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6747 + ... + 11696.

It is an arithmetic number, because the mean of its divisors is an integer number (2477644).

Almost surely, 2^45646425 is an apocalyptic number.

45646425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45646425 is a deficient number, since it is larger than the sum of its proper divisors (43548759).

45646425 is a wasteful number, since it uses less digits than its factorization.

45646425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18470 (or 18462 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 45646425 is about 6756.2138065636. The cubic root of 45646425 is about 357.3843986999.

The spelling of 45646425 in words is "forty-five million, six hundred forty-six thousand, four hundred twenty-five".