14378143442 has 32 divisors (see below), whose sum is σ = 23345766192. Its totient is φ = 6602010624.

The previous prime is 14378143393. The next prime is 14378143463. The reversal of 14378143442 is 24434187341.

It can be written as a sum of positive squares in 8 ways, for example, as 5801716561 + 8576426881 = 76169^2 + 92609^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 14378143442.

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, 4467818 + ... + 4471034.

Almost surely, 2^14378143442 is an apocalyptic number.

14378143442 is a deficient number, since it is larger than the sum of its proper divisors (8967622750).

14378143442 is a wasteful number, since it uses less digits than its factorization.

14378143442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4062.

The product of its digits is 258048, while the sum is 41.

The spelling of 14378143442 in words is "fourteen billion, three hundred seventy-eight million, one hundred forty-three thousand, four hundred forty-two".