142538375 has 16 divisors (see below), whose sum is σ = 203301696. Its totient is φ = 97740000.

The previous prime is 142538329. The next prime is 142538381. The reversal of 142538375 is 573835241.

It is not a de Polignac number, because 142538375 - 2¹² = 142534279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80576 + ... + 82325.

It is an arithmetic number, because the mean of its divisors is an integer number (12706356).

Almost surely, 2^142538375 is an apocalyptic number.

142538375 is a deficient number, since it is larger than the sum of its proper divisors (60763321).

142538375 is an equidigital number, since it uses as much as digits as its factorization.

142538375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162923 (or 162913 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 142538375 is about 11938.9436299867. The cubic root of 142538375 is about 522.3688459991.

The spelling of 142538375 in words is "one hundred forty-two million, five hundred thirty-eight thousand, three hundred seventy-five".