142322130 has 128 divisors (see below), whose sum is σ = 407151360. Its totient is φ = 35251200.

The previous prime is 142322129. The next prime is 142322143. The reversal of 142322130 is 31223241.

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 63 ways as a sum of consecutive naturals, for example, 463437 + ... + 463743.

It is an arithmetic number, because the mean of its divisors is an integer number (3180870).

Almost surely, 2^142322130 is an apocalyptic number.

142322130 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 142322130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203575680).

142322130 is an abundant number, since it is smaller than the sum of its proper divisors (264829230).

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

142322130 is a wasteful number, since it uses less digits than its factorization.

142322130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 142322130 is about 11929.8839055542. The cubic root of 142322130 is about 522.1045503360.

Adding to 142322130 its reverse (31223241), we get a palindrome (173545371).

The spelling of 142322130 in words is "one hundred forty-two million, three hundred twenty-two thousand, one hundred thirty".