142230132 has 36 divisors (see below), whose sum is σ = 392211456. Its totient is φ = 43099920.

The previous prime is 142230113. The next prime is 142230161. The reversal of 142230132 is 231032241.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 179188 + ... + 179979.

Almost surely, 2^142230132 is an apocalyptic number.

142230132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142230132 is an abundant number, since it is smaller than the sum of its proper divisors (249981324).

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

142230132 is a wasteful number, since it uses less digits than its factorization.

142230132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359188 (or 359183 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 142230132 is about 11926.0275029031. The cubic root of 142230132 is about 521.9920287680.

Adding to 142230132 its reverse (231032241), we get a palindrome (373262373).

The spelling of 142230132 in words is "one hundred forty-two million, two hundred thirty thousand, one hundred thirty-two".