45400325 has 12 divisors (see below), whose sum is σ = 57670788. Its totient is φ = 35433600.

The previous prime is 45400309. The next prime is 45400331. The reversal of 45400325 is 52300454.

It can be written as a sum of positive squares in 6 ways, for example, as 2024929 + 43375396 = 1423^2 + 6586^2 .

It is not a de Polignac number, because 45400325 - 2⁴ = 45400309 is a prime.

It is a super-2 number, since 2×45400325² = 4122379020211250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45400325.

It is a congruent number.

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, 21122 + ... + 23171.

It is an arithmetic number, because the mean of its divisors is an integer number (4805899).

Almost surely, 2^45400325 is an apocalyptic number.

It is an amenable number.

45400325 is a deficient number, since it is larger than the sum of its proper divisors (12270463).

45400325 is a wasteful number, since it uses less digits than its factorization.

45400325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44344 (or 44339 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 45400325 is about 6737.9763282457. The cubic root of 45400325 is about 356.7409686914.

Adding to 45400325 its reverse (52300454), we get a palindrome (97700779).

The spelling of 45400325 in words is "forty-five million, four hundred thousand, three hundred twenty-five".