142252132 has 24 divisors (see below), whose sum is σ = 272043072. Its totient is φ = 64548000.

The previous prime is 142252109. The next prime is 142252151. The reversal of 142252132 is 231252241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 26257 + ... + 31207.

It is an arithmetic number, because the mean of its divisors is an integer number (11335128).

Almost surely, 2^142252132 is an apocalyptic number.

It is an amenable number.

142252132 is a deficient number, since it is larger than the sum of its proper divisors (129790940).

142252132 is a wasteful number, since it uses less digits than its factorization.

142252132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5619 (or 5617 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 142252132 is about 11926.9498196312. The cubic root of 142252132 is about 522.0189410977.

The spelling of 142252132 in words is "one hundred forty-two million, two hundred fifty-two thousand, one hundred thirty-two".