142893218 has 12 divisors (see below), whose sum is σ = 232096338. Its totient is φ = 65950560.

The previous prime is 142893217. The next prime is 142893269. The reversal of 142893218 is 812398241.

It can be written as a sum of positive squares in 3 ways, for example, as 24671089 + 118222129 = 4967^2 + 10873^2 .

It is not an unprimeable number, because it can be changed into a prime (142893217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 211043 + ... + 211718.

Almost surely, 2^142893218 is an apocalyptic number.

142893218 is a deficient number, since it is larger than the sum of its proper divisors (89203120).

142893218 is a wasteful number, since it uses less digits than its factorization.

142893218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422789 (or 422776 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 142893218 is about 11953.7951295812. The cubic root of 142893218 is about 522.8019581967.

The spelling of 142893218 in words is "one hundred forty-two million, eight hundred ninety-three thousand, two hundred eighteen".