4000144125 has 32 divisors (see below), whose sum is σ = 6698734848. Its totient is φ = 2119790400.

The previous prime is 4000144051. The next prime is 4000144151. The reversal of 4000144125 is 5214410004.

It is a happy number.

4000144125 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4000144125 - 2⁷ = 4000143997 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24904 + ... + 92846.

It is an arithmetic number, because the mean of its divisors is an integer number (209335464).

Almost surely, 2^4000144125 is an apocalyptic number.

It is an amenable number.

4000144125 is a deficient number, since it is larger than the sum of its proper divisors (2698590723).

4000144125 is a wasteful number, since it uses less digits than its factorization.

4000144125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68118 (or 68108 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 4000144125 is about 63246.6926012736. The cubic root of 4000144125 is about 1587.4201170873.

Adding to 4000144125 its reverse (5214410004), we get a palindrome (9214554129).

The spelling of 4000144125 in words is "four billion, one hundred forty-four thousand, one hundred twenty-five".