142419188 has 12 divisors (see below), whose sum is σ = 249346272. Its totient is φ = 71177400.

The previous prime is 142419187. The next prime is 142419223. The reversal of 142419188 is 881914241.

142419188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×142419188² = 40566450221158688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142419181) 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, 3863 + ... + 17313.

It is an arithmetic number, because the mean of its divisors is an integer number (20778856).

Almost surely, 2^142419188 is an apocalyptic number.

It is an amenable number.

142419188 is a deficient number, since it is larger than the sum of its proper divisors (106927084).

142419188 is a wasteful number, since it uses less digits than its factorization.

142419188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16102 (or 16100 counting only the distinct ones).

The product of its digits is 18432, while the sum is 38.

The square root of 142419188 is about 11933.9510640860. The cubic root of 142419188 is about 522.2232081734.

The spelling of 142419188 in words is "one hundred forty-two million, four hundred nineteen thousand, one hundred eighty-eight".