142347208 has 16 divisors (see below), whose sum is σ = 272580480. Its totient is φ = 69659088.

The previous prime is 142347193. The next prime is 142347211. The reversal of 142347208 is 802743241.

It is a self number, because there is not a number n which added to its sum of digits gives 142347208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188916 + ... + 189667.

It is an arithmetic number, because the mean of its divisors is an integer number (17036280).

Almost surely, 2^142347208 is an apocalyptic number.

It is an amenable number.

142347208 is a deficient number, since it is larger than the sum of its proper divisors (130233272).

142347208 is a wasteful number, since it uses less digits than its factorization.

142347208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378636 (or 378632 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 142347208 is about 11930.9349172644. The cubic root of 142347208 is about 522.1352145036.

The spelling of 142347208 in words is "one hundred forty-two million, three hundred forty-seven thousand, two hundred eight".