142053943679 has 4 divisors (see below), whose sum is σ = 146952355560. Its totient is φ = 137155531800.

The previous prime is 142053943667. The next prime is 142053943723. The reversal of 142053943679 is 976349350241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142053943679 - 2⁴ = 142053943663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142053943679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142053943279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2449205897 + ... + 2449205954.

It is an arithmetic number, because the mean of its divisors is an integer number (36738088890).

Almost surely, 2^142053943679 is an apocalyptic number.

142053943679 is a deficient number, since it is larger than the sum of its proper divisors (4898411881).

142053943679 is an equidigital number, since it uses as much as digits as its factorization.

142053943679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4898411880.

The product of its (nonzero) digits is 4898880, while the sum is 53.

The spelling of 142053943679 in words is "one hundred forty-two billion, fifty-three million, nine hundred forty-three thousand, six hundred seventy-nine".