142642495 has 16 divisors (see below), whose sum is σ = 182558880. Its totient is φ = 106619904.

The previous prime is 142642483. The next prime is 142642543. The reversal of 142642495 is 594246241.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142642495 is a prime.

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, 5779 + ... + 17851.

It is an arithmetic number, because the mean of its divisors is an integer number (11409930).

Almost surely, 2^142642495 is an apocalyptic number.

142642495 is a deficient number, since it is larger than the sum of its proper divisors (39916385).

142642495 is a wasteful number, since it uses less digits than its factorization.

142642495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12234.

The product of its digits is 69120, while the sum is 37.

The square root of 142642495 is about 11943.3033537627. The cubic root of 142642495 is about 522.4960066238.

The spelling of 142642495 in words is "one hundred forty-two million, six hundred forty-two thousand, four hundred ninety-five".