142494 has 32 divisors (see below), whose sum is σ = 331776. Its totient is φ = 40320.

The previous prime is 142469. The next prime is 142501. The reversal of 142494 is 494241.

142494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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, 1059 + ... + 1185.

It is an arithmetic number, because the mean of its divisors is an integer number (10368).

2¹⁴²⁴⁹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165888).

142494 is an abundant number, since it is smaller than the sum of its proper divisors (189282).

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

142494 is a wasteful number, since it uses less digits than its factorization.

142494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160.

The product of its digits is 1152, while the sum is 24.

The square root of 142494 is about 377.4837744857. The cubic root of 142494 is about 52.2314632474.

It can be divided in two parts, 142 and 494, that added together give a palindrome (636).

The spelling of 142494 in words is "one hundred forty-two thousand, four hundred ninety-four".