142972 has 12 divisors (see below), whose sum is σ = 258496. Its totient is φ = 69120.

The previous prime is 142969. The next prime is 142973. The reversal of 142972 is 279241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453 + ... + 700.

2¹⁴²⁹⁷² is an apocalyptic number.

It is an amenable number.

142972 is a deficient number, since it is larger than the sum of its proper divisors (115524).

142972 is a wasteful number, since it uses less digits than its factorization.

142972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188 (or 1186 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 142972 is about 378.1163841994. The cubic root of 142972 is about 52.2898020178.

The spelling of 142972 in words is "one hundred forty-two thousand, nine hundred seventy-two".