142257276 has 48 divisors (see below), whose sum is σ = 421505280. Its totient is φ = 40644720.

The previous prime is 142257263. The next prime is 142257329. The reversal of 142257276 is 672752241.

It is a happy number.

142257276 is a `hidden beast` number, since 14 + 2 + 2 + 572 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 142257276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93330 + ... + 94841.

It is an arithmetic number, because the mean of its divisors is an integer number (8781360).

Almost surely, 2^142257276 is an apocalyptic number.

It is an amenable number.

142257276 is an abundant number, since it is smaller than the sum of its proper divisors (279248004).

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

142257276 is a wasteful number, since it uses less digits than its factorization.

142257276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188191 (or 188183 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 142257276 is about 11927.1654637638. The cubic root of 142257276 is about 522.0252332894.

The spelling of 142257276 in words is "one hundred forty-two million, two hundred fifty-seven thousand, two hundred seventy-six".