15142354144 has 12 divisors (see below), whose sum is σ = 29811509784. Its totient is φ = 7571177056.

The previous prime is 15142354111. The next prime is 15142354163. The reversal of 15142354144 is 44145324151.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236599252 + ... + 236599315.

It is an arithmetic number, because the mean of its divisors is an integer number (2484292482).

Almost surely, 2^15142354144 is an apocalyptic number.

It is an amenable number.

15142354144 is a deficient number, since it is larger than the sum of its proper divisors (14669155640).

15142354144 is an equidigital number, since it uses as much as digits as its factorization.

15142354144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473198577 (or 473198569 counting only the distinct ones).

The product of its digits is 38400, while the sum is 34.

Adding to 15142354144 its reverse (44145324151), we get a palindrome (59287678295).

The spelling of 15142354144 in words is "fifteen billion, one hundred forty-two million, three hundred fifty-four thousand, one hundred forty-four".