142656475 has 24 divisors (see below), whose sum is σ = 192296720. Its totient is φ = 104353920.

The previous prime is 142656457. The next prime is 142656509. The reversal of 142656475 is 574656241.

It is a happy number.

It is not a de Polignac number, because 142656475 - 2⁹ = 142655963 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33412 + ... + 37438.

Almost surely, 2^142656475 is an apocalyptic number.

142656475 is a deficient number, since it is larger than the sum of its proper divisors (49640245).

142656475 is a wasteful number, since it uses less digits than its factorization.

142656475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4159 (or 4154 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The square root of 142656475 is about 11943.8886046379. Note that the first 3 decimals coincide. The cubic root of 142656475 is about 522.5130755334.

The spelling of 142656475 in words is "one hundred forty-two million, six hundred fifty-six thousand, four hundred seventy-five".