142024320 has 128 divisors (see below), whose sum is σ = 503064000. Its totient is φ = 37868544.

The previous prime is 142024301. The next prime is 142024357. The reversal of 142024320 is 23420241.

142024320 is a `hidden beast` number, since 1 + 420 + 243 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 142024293 and 142024302.

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, 13171 + ... + 21389.

Almost surely, 2^142024320 is an apocalyptic number.

142024320 is a gapful number since it is divisible by the number (10) 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 142024320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251532000).

142024320 is an abundant number, since it is smaller than the sum of its proper divisors (361039680).

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

142024320 is an equidigital number, since it uses as much as digits as its factorization.

142024320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8247 (or 8229 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 142024320 is about 11917.3956886561. The cubic root of 142024320 is about 521.7401269546.

Adding to 142024320 its reverse (23420241), we get a palindrome (165444561).

The spelling of 142024320 in words is "one hundred forty-two million, twenty-four thousand, three hundred twenty".