142231110 has 64 divisors (see below), whose sum is σ = 393265152. Its totient is φ = 32247936.

The previous prime is 142231097. The next prime is 142231121. The reversal of 142231110 is 11132241.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 142231110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24004 + ... + 29336.

It is an arithmetic number, because the mean of its divisors is an integer number (6144768).

Almost surely, 2^142231110 is an apocalyptic number.

142231110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142231110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196632576).

142231110 is an abundant number, since it is smaller than the sum of its proper divisors (251034042).

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

142231110 is a wasteful number, since it uses less digits than its factorization.

142231110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5477.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 142231110 is about 11926.0685055889. The cubic root of 142231110 is about 521.9932252024.

Adding to 142231110 its reverse (11132241), we get a palindrome (153363351).

The spelling of 142231110 in words is "one hundred forty-two million, two hundred thirty-one thousand, one hundred ten".