142324992 has 144 divisors (see below), whose sum is σ = 429240000. Its totient is φ = 46503936.

The previous prime is 142324957. The next prime is 142325023. The reversal of 142324992 is 299423241.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-3 number, since 3×142324992³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407634 + ... + 407982.

Almost surely, 2^142324992 is an apocalyptic number.

142324992 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 142324992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214620000).

142324992 is an abundant number, since it is smaller than the sum of its proper divisors (286915008).

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

142324992 is an equidigital number, since it uses as much as digits as its factorization.

142324992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 413 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 142324992 is about 11930.0038558250. The cubic root of 142324992 is about 522.1080500335.

The spelling of 142324992 in words is "one hundred forty-two million, three hundred twenty-four thousand, nine hundred ninety-two".