142902706 has 8 divisors (see below), whose sum is σ = 216320940. Its totient is φ = 70795728.

The previous prime is 142902689. The next prime is 142902709. The reversal of 142902706 is 607209241.

It can be written as a sum of positive squares in 2 ways, for example, as 131308681 + 11594025 = 11459^2 + 3405^2 .

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

It is not an unprimeable number, because it can be changed into a prime (142902709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327541 + ... + 327976.

Almost surely, 2^142902706 is an apocalyptic number.

142902706 is a deficient number, since it is larger than the sum of its proper divisors (73418234).

142902706 is a wasteful number, since it uses less digits than its factorization.

142902706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655628.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 142902706 is about 11954.1919844045. The cubic root of 142902706 is about 522.8135291568.

The spelling of 142902706 in words is "one hundred forty-two million, nine hundred two thousand, seven hundred six".