142831475 has 6 divisors (see below), whose sum is σ = 177111060. Its totient is φ = 114265160.

The previous prime is 142831459. The next prime is 142831489. The reversal of 142831475 is 574138241.

It is not a de Polignac number, because 142831475 - 2⁴ = 142831459 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2856605 + ... + 2856654.

It is an arithmetic number, because the mean of its divisors is an integer number (29518510).

Almost surely, 2^142831475 is an apocalyptic number.

142831475 is a deficient number, since it is larger than the sum of its proper divisors (34279585).

142831475 is an equidigital number, since it uses as much as digits as its factorization.

142831475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5713269 (or 5713264 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 142831475 is about 11951.2122816056. The cubic root of 142831475 is about 522.7266478540.

The spelling of 142831475 in words is "one hundred forty-two million, eight hundred thirty-one thousand, four hundred seventy-five".