142553142 has 16 divisors (see below), whose sum is σ = 316784880. Its totient is φ = 47517696.

The previous prime is 142553137. The next prime is 142553171. The reversal of 142553142 is 241355241.

142553142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 1319883 + ... + 1319990.

It is an arithmetic number, because the mean of its divisors is an integer number (19799055).

Almost surely, 2^142553142 is an apocalyptic number.

142553142 is an abundant number, since it is smaller than the sum of its proper divisors (174231738).

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

142553142 is a wasteful number, since it uses less digits than its factorization.

142553142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639884 (or 2639878 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 142553142 is about 11939.5620522698. The cubic root of 142553142 is about 522.3868845434.

The spelling of 142553142 in words is "one hundred forty-two million, five hundred fifty-three thousand, one hundred forty-two".