45400825 has 12 divisors (see below), whose sum is σ = 57496320. Its totient is φ = 35546960.

The previous prime is 45400811. The next prime is 45400843. The reversal of 45400825 is 52800454.

It is not a de Polignac number, because 45400825 - 2¹¹ = 45398777 is a prime.

It is a super-2 number, since 2×45400825² = 4122469821361250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45400793 and 45400802.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18145 + ... + 20494.

It is an arithmetic number, because the mean of its divisors is an integer number (4791360).

Almost surely, 2^45400825 is an apocalyptic number.

It is an amenable number.

45400825 is a deficient number, since it is larger than the sum of its proper divisors (12095495).

45400825 is a wasteful number, since it uses less digits than its factorization.

45400825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38696 (or 38691 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 45400825 is about 6738.0134312719. The cubic root of 45400825 is about 356.7422782990.

It can be divided in two parts, 45400 and 825, that added together give a square (46225 = 215²).

The spelling of 45400825 in words is "forty-five million, four hundred thousand, eight hundred twenty-five".