142756 has 12 divisors (see below), whose sum is σ = 253260. Its totient is φ = 70400.

The previous prime is 142733. The next prime is 142757. The reversal of 142756 is 657241.

142756 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 2 ways, for example, as 96100 + 46656 = 310^2 + 216^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 142756.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156 + ... + 556.

It is an arithmetic number, because the mean of its divisors is an integer number (21105).

2¹⁴²⁷⁵⁶ is an apocalyptic number.

It is an amenable number.

142756 is a deficient number, since it is larger than the sum of its proper divisors (110504).

142756 is a wasteful number, since it uses less digits than its factorization.

142756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 492 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 142756 is about 377.8306498949. The cubic root of 142756 is about 52.2634558570.

Adding to 142756 its reverse (657241), we get a palindrome (799997).

It can be divided in two parts, 142 and 756, that added together give a palindrome (898).

The spelling of 142756 in words is "one hundred forty-two thousand, seven hundred fifty-six".