142718368 has 24 divisors (see below), whose sum is σ = 302591268. Its totient is φ = 65869824.

The previous prime is 142718357. The next prime is 142718369. The reversal of 142718368 is 863817241.

It can be written as a sum of positive squares in 2 ways, for example, as 142372624 + 345744 = 11932^2 + 588^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 142718368.

It is not an unprimeable number, because it can be changed into a prime (142718369) 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, 171121 + ... + 171952.

Almost surely, 2^142718368 is an apocalyptic number.

It is an amenable number.

142718368 is an abundant number, since it is smaller than the sum of its proper divisors (159872900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142718368 is a wasteful number, since it uses less digits than its factorization.

142718368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343096 (or 343088 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 142718368 is about 11946.4793140071. The cubic root of 142718368 is about 522.5886305240.

The spelling of 142718368 in words is "one hundred forty-two million, seven hundred eighteen thousand, three hundred sixty-eight".