142446635553 has 16 divisors (see below), whose sum is σ = 195166267200. Its totient is φ = 92348456256.

The previous prime is 142446635549. The next prime is 142446635587. The reversal of 142446635553 is 355536644241.

It is not a de Polignac number, because 142446635553 - 2² = 142446635549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142446639553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133503 + ... + 550196.

It is an arithmetic number, because the mean of its divisors is an integer number (12197891700).

Almost surely, 2^142446635553 is an apocalyptic number.

It is an amenable number.

142446635553 is a deficient number, since it is larger than the sum of its proper divisors (52719631647).

142446635553 is a wasteful number, since it uses less digits than its factorization.

142446635553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685616.

The product of its digits is 5184000, while the sum is 48.

The spelling of 142446635553 in words is "one hundred forty-two billion, four hundred forty-six million, six hundred thirty-five thousand, five hundred fifty-three".