142656453 has 12 divisors (see below), whose sum is σ = 206734528. Its totient is φ = 94792680.

The previous prime is 142656439. The next prime is 142656457. The reversal of 142656453 is 354656241.

142656453 is a `hidden beast` number, since 1 + 4 + 2 + 6 + 5 + 645 + 3 = 666.

It is not a de Polignac number, because 142656453 - 2¹² = 142652357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142656457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23053 + ... + 28578.

Almost surely, 2^142656453 is an apocalyptic number.

It is an amenable number.

142656453 is a deficient number, since it is larger than the sum of its proper divisors (64078075).

142656453 is a wasteful number, since it uses less digits than its factorization.

142656453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51944 (or 51941 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 142656453 is about 11943.8876836648. The cubic root of 142656453 is about 522.5130486733.

The spelling of 142656453 in words is "one hundred forty-two million, six hundred fifty-six thousand, four hundred fifty-three".