142742294 has 16 divisors (see below), whose sum is σ = 219769200. Its totient is φ = 69510144.

The previous prime is 142742291. The next prime is 142742329. The reversal of 142742294 is 492247241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142742291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5942 + ... + 17910.

It is an arithmetic number, because the mean of its divisors is an integer number (13735575).

Almost surely, 2^142742294 is an apocalyptic number.

142742294 is a deficient number, since it is larger than the sum of its proper divisors (77026906).

142742294 is a wasteful number, since it uses less digits than its factorization.

142742294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12127.

The product of its digits is 32256, while the sum is 35.

The square root of 142742294 is about 11947.4806549331. The cubic root of 142742294 is about 522.6178319905.

The spelling of 142742294 in words is "one hundred forty-two million, seven hundred forty-two thousand, two hundred ninety-four".