142421562036451 has 8 divisors (see below), whose sum is σ = 149918393822400. Its totient is φ = 134924826260520.

The previous prime is 142421562036443. The next prime is 142421562036487. The reversal of 142421562036451 is 154630265124241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142421562036451 - 2³ = 142421562036443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142421562036401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20947645 + ... + 26900686.

It is an arithmetic number, because the mean of its divisors is an integer number (18739799227800).

Almost surely, 2^{142421562036451} is an apocalyptic number.

142421562036451 is a deficient number, since it is larger than the sum of its proper divisors (7496831785949).

142421562036451 is a wasteful number, since it uses less digits than its factorization.

142421562036451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48005009.

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 142421562036451 in words is "one hundred forty-two trillion, four hundred twenty-one billion, five hundred sixty-two million, thirty-six thousand, four hundred fifty-one".