142492272 has 40 divisors (see below), whose sum is σ = 396422544. Its totient is φ = 43843584.

The previous prime is 142492247. The next prime is 142492289. The reversal of 142492272 is 272294241.

It is a congruent number.

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, 113553 + ... + 114800.

Almost surely, 2^142492272 is an apocalyptic number.

142492272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142492272 is an abundant number, since it is smaller than the sum of its proper divisors (253930272).

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

142492272 is a wasteful number, since it uses less digits than its factorization.

142492272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228377 (or 228371 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 142492272 is about 11937.0126916243. The cubic root of 142492272 is about 522.3125211255.

The spelling of 142492272 in words is "one hundred forty-two million, four hundred ninety-two thousand, two hundred seventy-two".