142204132 has 24 divisors (see below), whose sum is σ = 299378240. Its totient is φ = 57736800.

The previous prime is 142204129. The next prime is 142204157. The reversal of 142204132 is 231402241.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 133119 + ... + 134182.

Almost surely, 2^142204132 is an apocalyptic number.

It is an amenable number.

142204132 is an abundant number, since it is smaller than the sum of its proper divisors (157174108).

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

142204132 is a wasteful number, since it uses less digits than its factorization.

142204132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267331 (or 267329 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 142204132 is about 11924.9374002550. The cubic root of 142204132 is about 521.9602197094.

Adding to 142204132 its reverse (231402241), we get a palindrome (373606373).

The spelling of 142204132 in words is "one hundred forty-two million, two hundred four thousand, one hundred thirty-two".