142221114 has 48 divisors (see below), whose sum is σ = 353066688. Its totient is φ = 40530816.

The previous prime is 142221097. The next prime is 142221139. The reversal of 142221114 is 411122241.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57634 + ... + 60050.

It is an arithmetic number, because the mean of its divisors is an integer number (7355556).

Almost surely, 2^142221114 is an apocalyptic number.

142221114 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142221114 is an abundant number, since it is smaller than the sum of its proper divisors (210845574).

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

142221114 is a wasteful number, since it uses less digits than its factorization.

142221114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899 (or 2896 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 142221114 is about 11925.6494162792. The cubic root of 142221114 is about 521.9809963575.

Adding to 142221114 its reverse (411122241), we get a palindrome (553343355).

The spelling of 142221114 in words is "one hundred forty-two million, two hundred twenty-one thousand, one hundred fourteen".