40125245 has 16 divisors (see below), whose sum is σ = 51071040. Its totient is φ = 30178944.

The previous prime is 40125229. The next prime is 40125259. The reversal of 40125245 is 54252104.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40125245 - 2⁴ = 40125229 is a prime.

It is a super-2 number, since 2×40125245² = 3220070572620050, 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 40125245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11474 + ... + 14556.

It is an arithmetic number, because the mean of its divisors is an integer number (3191940).

Almost surely, 2^40125245 is an apocalyptic number.

It is an amenable number.

40125245 is a deficient number, since it is larger than the sum of its proper divisors (10945795).

40125245 is a wasteful number, since it uses less digits than its factorization.

40125245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244.

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

The square root of 40125245 is about 6334.4490683879. The cubic root of 40125245 is about 342.3517606665.

Adding to 40125245 its reverse (54252104), we get a palindrome (94377349).

The spelling of 40125245 in words is "forty million, one hundred twenty-five thousand, two hundred forty-five".