142380520 has 64 divisors (see below), whose sum is σ = 332928000. Its totient is φ = 54743040.

The previous prime is 142380499. The next prime is 142380541. The reversal of 142380520 is 25083241.

142380520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142380499) and next prime (142380541).

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, 246472 + ... + 247048.

It is an arithmetic number, because the mean of its divisors is an integer number (5202000).

Almost surely, 2^142380520 is an apocalyptic number.

142380520 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 142380520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166464000).

142380520 is an abundant number, since it is smaller than the sum of its proper divisors (190547480).

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

142380520 is a wasteful number, since it uses less digits than its factorization.

142380520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 142380520 is about 11932.3308703706. The cubic root of 142380520 is about 522.1759412400.

The spelling of 142380520 in words is "one hundred forty-two million, three hundred eighty thousand, five hundred twenty".