142330392 has 128 divisors (see below), whose sum is σ = 424569600. Its totient is φ = 44020224.

The previous prime is 142330381. The next prime is 142330399. The reversal of 142330392 is 293033241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142330399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304543 + ... + 305009.

It is an arithmetic number, because the mean of its divisors is an integer number (3316950).

Almost surely, 2^142330392 is an apocalyptic number.

142330392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142330392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212284800).

142330392 is an abundant number, since it is smaller than the sum of its proper divisors (282239208).

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

142330392 is a wasteful number, since it uses less digits than its factorization.

142330392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 142330392 is about 11930.2301738064. The cubic root of 142330392 is about 522.1146531086.

The spelling of 142330392 in words is "one hundred forty-two million, three hundred thirty thousand, three hundred ninety-two".