142456 has 8 divisors (see below), whose sum is σ = 267120. Its totient is φ = 71224.

The previous prime is 142453. The next prime is 142469. The reversal of 142456 is 654241.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8896 + ... + 8911.

It is an arithmetic number, because the mean of its divisors is an integer number (33390).

2¹⁴²⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

142456 is a deficient number, since it is larger than the sum of its proper divisors (124664).

142456 is a wasteful number, since it uses less digits than its factorization.

142456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17813 (or 17809 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 142456 is about 377.4334378404. The cubic root of 142456 is about 52.2268198424.

Adding to 142456 its reverse (654241), we get a palindrome (796697).

The spelling of 142456 in words is "one hundred forty-two thousand, four hundred fifty-six".