142355171 has 8 divisors (see below), whose sum is σ = 168301920. Its totient is φ = 117811008.

The previous prime is 142355137. The next prime is 142355177. The reversal of 142355171 is 171553241.

142355171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-142355171 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142355177) 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, 350426 + ... + 350831.

It is an arithmetic number, because the mean of its divisors is an integer number (21037740).

Almost surely, 2^142355171 is an apocalyptic number.

142355171 is a deficient number, since it is larger than the sum of its proper divisors (25946749).

142355171 is an equidigital number, since it uses as much as digits as its factorization.

142355171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701293.

The product of its digits is 4200, while the sum is 29.

The square root of 142355171 is about 11931.2686249200. The cubic root of 142355171 is about 522.1449505222.

The spelling of 142355171 in words is "one hundred forty-two million, three hundred fifty-five thousand, one hundred seventy-one".