142708320 has 72 divisors (see below), whose sum is σ = 486997056. Its totient is φ = 38055168.

The previous prime is 142708303. The next prime is 142708343. The reversal of 142708320 is 23807241.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48112 + ... + 50991.

It is an arithmetic number, because the mean of its divisors is an integer number (6763848).

Almost surely, 2^142708320 is an apocalyptic number.

142708320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142708320 is an abundant number, since it is smaller than the sum of its proper divisors (344288736).

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

142708320 is a wasteful number, since it uses less digits than its factorization.

142708320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99124 (or 99113 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 142708320 is about 11946.0587642954. The cubic root of 142708320 is about 522.5763660579.

The spelling of 142708320 in words is "one hundred forty-two million, seven hundred eight thousand, three hundred twenty".