142401112 has 64 divisors (see below), whose sum is σ = 326514240. Its totient is φ = 56832000.

The previous prime is 142401109. The next prime is 142401137. The reversal of 142401112 is 211104241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95412 + ... + 96892.

It is an arithmetic number, because the mean of its divisors is an integer number (5101785).

Almost surely, 2^142401112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142401112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163257120).

142401112 is an abundant number, since it is smaller than the sum of its proper divisors (184113128).

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

142401112 is a wasteful number, since it uses less digits than its factorization.

142401112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612 (or 1608 counting only the distinct ones).

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

The square root of 142401112 is about 11933.1937049559. The cubic root of 142401112 is about 522.2011135240.

Adding to 142401112 its reverse (211104241), we get a palindrome (353505353).

The spelling of 142401112 in words is "one hundred forty-two million, four hundred one thousand, one hundred twelve".