15144142156142 has 16 divisors (see below), whose sum is σ = 22938247764432. Its totient is φ = 7498182410880.

The previous prime is 15144142156079. The next prime is 15144142156193. The reversal of 15144142156142 is 24165124144151.

15144142156142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 15144142156142.

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, 30463553 + ... + 30956684.

It is an arithmetic number, because the mean of its divisors is an integer number (1433640485277).

Almost surely, 2^{15144142156142} is an apocalyptic number.

15144142156142 is a deficient number, since it is larger than the sum of its proper divisors (7794105608290).

15144142156142 is a wasteful number, since it uses less digits than its factorization.

15144142156142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61421443.

The product of its digits is 153600, while the sum is 41.

The spelling of 15144142156142 in words is "fifteen trillion, one hundred forty-four billion, one hundred forty-two million, one hundred fifty-six thousand, one hundred forty-two".