142156562 has 16 divisors (see below), whose sum is σ = 216227232. Its totient is φ = 70087200.

The previous prime is 142156519. The next prime is 142156577. The reversal of 142156562 is 265651241.

142156562 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48437 + ... + 51287.

It is an arithmetic number, because the mean of its divisors is an integer number (13514202).

Almost surely, 2^142156562 is an apocalyptic number.

142156562 is a deficient number, since it is larger than the sum of its proper divisors (74070670).

142156562 is a wasteful number, since it uses less digits than its factorization.

142156562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3193.

The product of its digits is 14400, while the sum is 32.

The square root of 142156562 is about 11922.9426736859. The cubic root of 142156562 is about 521.9020113286.

The spelling of 142156562 in words is "one hundred forty-two million, one hundred fifty-six thousand, five hundred sixty-two".