142211888 has 40 divisors (see below), whose sum is σ = 339124128. Its totient is φ = 56259072.

The previous prime is 142211869. The next prime is 142211893. The reversal of 142211888 is 888112241.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47381 + ... + 50292.

Almost surely, 2^142211888 is an apocalyptic number.

It is an amenable number.

142211888 is an abundant number, since it is smaller than the sum of its proper divisors (196912240).

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

142211888 is a wasteful number, since it uses less digits than its factorization.

142211888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97701 (or 97695 counting only the distinct ones).

The product of its digits is 8192, while the sum is 35.

The square root of 142211888 is about 11925.2625966894. The cubic root of 142211888 is about 521.9697090021.

The spelling of 142211888 in words is "one hundred forty-two million, two hundred eleven thousand, eight hundred eighty-eight".