142538983401 has 4 divisors (see below), whose sum is σ = 190051977872. Its totient is φ = 95025988932.

The previous prime is 142538983361. The next prime is 142538983417. The reversal of 142538983401 is 104389835241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 142538983401 - 2¹⁷ = 142538852329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142538983451) 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, 23756497231 + ... + 23756497236.

It is an arithmetic number, because the mean of its divisors is an integer number (47512994468).

Almost surely, 2^142538983401 is an apocalyptic number.

It is an amenable number.

142538983401 is a deficient number, since it is larger than the sum of its proper divisors (47512994471).

142538983401 is an equidigital number, since it uses as much as digits as its factorization.

142538983401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47512994470.

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 142538983401 in words is "one hundred forty-two billion, five hundred thirty-eight million, nine hundred eighty-three thousand, four hundred one".