142163556 has 24 divisors (see below), whose sum is σ = 332196480. Its totient is φ = 47319072.

The previous prime is 142163533. The next prime is 142163557. The reversal of 142163556 is 655361241.

142163556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142163557) 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, 390 + ... + 16866.

It is an arithmetic number, because the mean of its divisors is an integer number (13841520).

Almost surely, 2^142163556 is an apocalyptic number.

It is an amenable number.

142163556 is an abundant number, since it is smaller than the sum of its proper divisors (190032924).

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

142163556 is a wasteful number, since it uses less digits than its factorization.

142163556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17203 (or 17201 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 142163556 is about 11923.2359701551. The cubic root of 142163556 is about 521.9105702553.

The spelling of 142163556 in words is "one hundred forty-two million, one hundred sixty-three thousand, five hundred fifty-six".