142089792 has 168 divisors, whose sum is σ = 423915840. Its totient is φ = 41932800.

The previous prime is 142089749. The next prime is 142089797. The reversal of 142089792 is 297980241.

It is not an unprimeable number, because it can be changed into a prime (142089797) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 940917 + ... + 941067.

Almost surely, 2^142089792 is an apocalyptic number.

142089792 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 142089792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211957920).

142089792 is an abundant number, since it is smaller than the sum of its proper divisors (281826048).

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

142089792 is a wasteful number, since it uses less digits than its factorization.

142089792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 142089792 is about 11920.1422810300. The cubic root of 142089792 is about 521.8202872208.

The spelling of 142089792 in words is "one hundred forty-two million, eighty-nine thousand, seven hundred ninety-two".