253142 has 8 divisors (see below), whose sum is σ = 387936. Its totient is φ = 123832.

The previous prime is 253133. The next prime is 253153. The reversal of 253142 is 241352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 253142.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 253142.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253 + ... + 1440.

It is an arithmetic number, because the mean of its divisors is an integer number (48492).

2²⁵³¹⁴² is an apocalyptic number.

253142 is a deficient number, since it is larger than the sum of its proper divisors (134794).

253142 is a wasteful number, since it uses less digits than its factorization.

253142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742.

The product of its digits is 240, while the sum is 17.

The square root of 253142 is about 503.1321893896. The cubic root of 253142 is about 63.2588659998.

Adding to 253142 its reverse (241352), we get a palindrome (494494).

The spelling of 253142 in words is "two hundred fifty-three thousand, one hundred forty-two".