142936320 has 72 divisors (see below), whose sum is σ = 456515136. Its totient is φ = 38115328.

The previous prime is 142936309. The next prime is 142936349. The reversal of 142936320 is 23639241.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14772 + ... + 22451.

It is an arithmetic number, because the mean of its divisors is an integer number (6340488).

Almost surely, 2^142936320 is an apocalyptic number.

142936320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142936320 is an abundant number, since it is smaller than the sum of its proper divisors (313578816).

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

142936320 is an equidigital number, since it uses as much as digits as its factorization.

142936320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37247 (or 37233 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 142936320 is about 11955.5978520524. The cubic root of 142936320 is about 522.8545185281.

The spelling of 142936320 in words is "one hundred forty-two million, nine hundred thirty-six thousand, three hundred twenty".