142693992 has 96 divisors (see below), whose sum is σ = 455969280. Its totient is φ = 39450240.

The previous prime is 142693979. The next prime is 142693997. The reversal of 142693992 is 299396241.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142693997) 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, 11058 + ... + 20190.

It is an arithmetic number, because the mean of its divisors is an integer number (4749680).

Almost surely, 2^142693992 is an apocalyptic number.

142693992 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 142693992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227984640).

142693992 is an abundant number, since it is smaller than the sum of its proper divisors (313275288).

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

142693992 is a wasteful number, since it uses less digits than its factorization.

142693992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9183 (or 9176 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 142693992 is about 11945.4590535483. The cubic root of 142693992 is about 522.5588764801.

The spelling of 142693992 in words is "one hundred forty-two million, six hundred ninety-three thousand, nine hundred ninety-two".