142421405315063 has 4 divisors (see below), whose sum is σ = 162767320360080. Its totient is φ = 122075490270048.

The previous prime is 142421405315003. The next prime is 142421405315069. The reversal of 142421405315063 is 360513504124241.

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

It is not a de Polignac number, because 142421405315063 - 2⁴⁰ = 141321893687287 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 142421405315063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142421405315069) 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, 10172957522498 + ... + 10172957522511.

It is an arithmetic number, because the mean of its divisors is an integer number (40691830090020).

Almost surely, 2^{142421405315063} is an apocalyptic number.

142421405315063 is a deficient number, since it is larger than the sum of its proper divisors (20345915045017).

142421405315063 is an equidigital number, since it uses as much as digits as its factorization.

142421405315063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20345915045016.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 142421405315063 in words is "one hundred forty-two trillion, four hundred twenty-one billion, four hundred five million, three hundred fifteen thousand, sixty-three".