142555912 has 8 divisors (see below), whose sum is σ = 267292350. Its totient is φ = 71277952.

The previous prime is 142555883. The next prime is 142555913. The reversal of 142555912 is 219555241.

142555912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 82555396 + 60000516 = 9086^2 + 7746^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (142555913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8909737 + ... + 8909752.

Almost surely, 2^142555912 is an apocalyptic number.

It is an amenable number.

142555912 is a deficient number, since it is larger than the sum of its proper divisors (124736438).

142555912 is a wasteful number, since it uses less digits than its factorization.

142555912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17819495 (or 17819491 counting only the distinct ones).

The product of its digits is 18000, while the sum is 34.

The square root of 142555912 is about 11939.6780526110. The cubic root of 142555912 is about 522.3902680823.

The spelling of 142555912 in words is "one hundred forty-two million, five hundred fifty-five thousand, nine hundred twelve".