45400625 has 20 divisors (see below), whose sum is σ = 60083892. Its totient is φ = 34176000.

The previous prime is 45400613. The next prime is 45400627. The reversal of 45400625 is 52600454.

It can be written as a sum of positive squares in 10 ways, for example, as 33779344 + 11621281 = 5812^2 + 3409^2 .

It is not a de Polignac number, because 45400625 - 2¹⁶ = 45335089 is a prime.

It is a super-2 number, since 2×45400625² = 4122433500781250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45400594 and 45400603.

It is not an unprimeable number, because it can be changed into a prime (45400627) 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 19 ways as a sum of consecutive naturals, for example, 8489 + ... + 12761.

Almost surely, 2^45400625 is an apocalyptic number.

It is an amenable number.

45400625 is a deficient number, since it is larger than the sum of its proper divisors (14683267).

45400625 is an equidigital number, since it uses as much as digits as its factorization.

45400625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4310 (or 4295 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 45400625 is about 6737.9985900859. The cubic root of 45400625 is about 356.7417544571.

The spelling of 45400625 in words is "forty-five million, four hundred thousand, six hundred twenty-five".