142397482 has 8 divisors (see below), whose sum is σ = 220961700. Its totient is φ = 68743584.

The previous prime is 142397471. The next prime is 142397483. The reversal of 142397482 is 284793241.

It can be written as a sum of positive squares in 2 ways, for example, as 138321121 + 4076361 = 11761^2 + 2019^2 .

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 (142397483) 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, 1227507 + ... + 1227622.

Almost surely, 2^142397482 is an apocalyptic number.

142397482 is a deficient number, since it is larger than the sum of its proper divisors (78564218).

142397482 is a wasteful number, since it uses less digits than its factorization.

142397482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455160.

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

The square root of 142397482 is about 11933.0416072349. The cubic root of 142397482 is about 522.1966762783.

The spelling of 142397482 in words is "one hundred forty-two million, three hundred ninety-seven thousand, four hundred eighty-two".