142706458 has 4 divisors (see below), whose sum is σ = 214059690. Its totient is φ = 71353228.

The previous prime is 142706441. The next prime is 142706491. The reversal of 142706458 is 854607241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 92679129 + 50027329 = 9627^2 + 7073^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35676613 + ... + 35676616.

Almost surely, 2^142706458 is an apocalyptic number.

142706458 is a deficient number, since it is larger than the sum of its proper divisors (71353232).

142706458 is an equidigital number, since it uses as much as digits as its factorization.

142706458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71353231.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 142706458 is about 11945.9808303881. The cubic root of 142706458 is about 522.5740932602.

The spelling of 142706458 in words is "one hundred forty-two million, seven hundred six thousand, four hundred fifty-eight".