229542 has 16 divisors (see below), whose sum is σ = 466752. Its totient is φ = 75240.

The previous prime is 229529. The next prime is 229547. The reversal of 229542 is 245922.

It is a d-powerful number, because it can be written as 2⁵ + 2¹⁵ + 5³ + 9 + 4⁸ + 2¹⁷ .

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 229542.

It is not an unprimeable number, because it can be changed into a prime (229547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117 + ... + 687.

It is an arithmetic number, because the mean of its divisors is an integer number (29172).

2²²⁹⁵⁴² is an apocalyptic number.

229542 is an abundant number, since it is smaller than the sum of its proper divisors (237210).

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

229542 is a wasteful number, since it uses less digits than its factorization.

229542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643.

The product of its digits is 1440, while the sum is 24.

The square root of 229542 is about 479.1054163751. The cubic root of 229542 is about 61.2285611488.

The spelling of 229542 in words is "two hundred twenty-nine thousand, five hundred forty-two".