142020132 has 24 divisors (see below), whose sum is σ = 331644096. Its totient is φ = 47302368.

The previous prime is 142020119. The next prime is 142020149. The reversal of 142020132 is 231020241.

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, 13953 + ... + 21879.

It is an arithmetic number, because the mean of its divisors is an integer number (13818504).

Almost surely, 2^142020132 is an apocalyptic number.

142020132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142020132 is an abundant number, since it is smaller than the sum of its proper divisors (189623964).

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

142020132 is a wasteful number, since it uses less digits than its factorization.

142020132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9427 (or 9425 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 142020132 is about 11917.2199778304. The cubic root of 142020132 is about 521.7349985627.

Adding to 142020132 its reverse (231020241), we get a palindrome (373040373).

The spelling of 142020132 in words is "one hundred forty-two million, twenty thousand, one hundred thirty-two".