142555532 has 36 divisors (see below), whose sum is σ = 295648080. Its totient is φ = 58847712.

The previous prime is 142555519. The next prime is 142555547. The reversal of 142555532 is 235555241.

142555532 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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340019 + ... + 340437.

Almost surely, 2^142555532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142555532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147824040).

142555532 is an abundant number, since it is smaller than the sum of its proper divisors (153092548).

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

142555532 is an equidigital number, since it uses as much as digits as its factorization.

142555532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878 (or 457 counting only the distinct ones).

The product of its digits is 30000, while the sum is 32.

The square root of 142555532 is about 11939.6621392735. The cubic root of 142555532 is about 522.3898039171.

The spelling of 142555532 in words is "one hundred forty-two million, five hundred fifty-five thousand, five hundred thirty-two".