229142 has 4 divisors (see below), whose sum is σ = 343716. Its totient is φ = 114570.

The previous prime is 229139. The next prime is 229153. The reversal of 229142 is 241922.

It is a semiprime because it is the product of two primes.

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 229142.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57284 + ... + 57287.

It is an arithmetic number, because the mean of its divisors is an integer number (85929).

2²²⁹¹⁴² is an apocalyptic number.

229142 is a deficient number, since it is larger than the sum of its proper divisors (114574).

229142 is a wasteful number, since it uses less digits than its factorization.

229142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114573.

The product of its digits is 288, while the sum is 20.

The square root of 229142 is about 478.6877896918. The cubic root of 229142 is about 61.1929748298.

The spelling of 229142 in words is "two hundred twenty-nine thousand, one hundred forty-two".