142143396 has 24 divisors (see below), whose sum is σ = 331878624. Its totient is φ = 47351040.

The previous prime is 142143377. The next prime is 142143431. The reversal of 142143396 is 693341241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24276 + ... + 29556.

It is an arithmetic number, because the mean of its divisors is an integer number (13828276).

Almost surely, 2^142143396 is an apocalyptic number.

It is an amenable number.

142143396 is an abundant number, since it is smaller than the sum of its proper divisors (189735228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142143396 is a wasteful number, since it uses less digits than its factorization.

142143396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7531 (or 7529 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 142143396 is about 11922.3905321039. The cubic root of 142143396 is about 521.8858986381.

The spelling of 142143396 in words is "one hundred forty-two million, one hundred forty-three thousand, three hundred ninety-six".