142172316 has 72 divisors (see below), whose sum is σ = 422223984. Its totient is φ = 39767040.

The previous prime is 142172287. The next prime is 142172333. The reversal of 142172316 is 613271241.

142172316 is a `hidden beast` number, since 1 + 421 + 7 + 231 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 142172316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8661 + ... + 18956.

It is an arithmetic number, because the mean of its divisors is an integer number (5864222).

Almost surely, 2^142172316 is an apocalyptic number.

It is an amenable number.

142172316 is an abundant number, since it is smaller than the sum of its proper divisors (280051668).

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

142172316 is a wasteful number, since it uses less digits than its factorization.

142172316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27651 (or 27646 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 142172316 is about 11923.6033144348. The cubic root of 142172316 is about 521.9212899335.

It can be divided in two parts, 1421 and 72316, that added together give a palindrome (73737).

The spelling of 142172316 in words is "one hundred forty-two million, one hundred seventy-two thousand, three hundred sixteen".