142783294 has 8 divisors (see below), whose sum is σ = 214509960. Its totient is φ = 71279976.

The previous prime is 142783253. The next prime is 142783313. The reversal of 142783294 is 492387241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54229 + ... + 56800.

It is an arithmetic number, because the mean of its divisors is an integer number (26813745).

Almost surely, 2^142783294 is an apocalyptic number.

142783294 is a deficient number, since it is larger than the sum of its proper divisors (71726666).

142783294 is a wasteful number, since it uses less digits than its factorization.

142783294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111674.

The product of its digits is 96768, while the sum is 40.

The square root of 142783294 is about 11949.1963746521. The cubic root of 142783294 is about 522.6678645336.

The spelling of 142783294 in words is "one hundred forty-two million, seven hundred eighty-three thousand, two hundred ninety-four".