142140112 has 40 divisors (see below), whose sum is σ = 288731520. Its totient is φ = 67710720.

The previous prime is 142140091. The next prime is 142140127. The reversal of 142140112 is 211041241.

It is a happy number.

It is a super-2 number, since 2×142140112² = 40407622878745088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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, 25689 + ... + 30727.

It is an arithmetic number, because the mean of its divisors is an integer number (7218288).

Almost surely, 2^142140112 is an apocalyptic number.

It is an amenable number.

142140112 is an abundant number, since it is smaller than the sum of its proper divisors (146591408).

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

142140112 is a wasteful number, since it uses less digits than its factorization.

142140112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5131 (or 5125 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 142140112 is about 11922.2528072508. The cubic root of 142140112 is about 521.8818794891.

Adding to 142140112 its reverse (211041241), we get a palindrome (353181353).

The spelling of 142140112 in words is "one hundred forty-two million, one hundred forty thousand, one hundred twelve".