40245125 has 8 divisors (see below), whose sum is σ = 50226072. Its totient is φ = 32196000.

The previous prime is 40245109. The next prime is 40245133. The reversal of 40245125 is 52154204.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1295044 + 38950081 = 1138^2 + 6241^2 .

It is not a de Polignac number, because 40245125 - 2⁴ = 40245109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40245125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160856 + ... + 161105.

It is an arithmetic number, because the mean of its divisors is an integer number (6278259).

Almost surely, 2^40245125 is an apocalyptic number.

It is an amenable number.

40245125 is a deficient number, since it is larger than the sum of its proper divisors (9980947).

40245125 is an equidigital number, since it uses as much as digits as its factorization.

40245125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321976 (or 321966 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 40245125 is about 6343.9045547675. The cubic root of 40245125 is about 342.6923635684.

Adding to 40245125 its reverse (52154204), we get a palindrome (92399329).

The spelling of 40245125 in words is "forty million, two hundred forty-five thousand, one hundred twenty-five".