142402680 has 96 divisors (see below), whose sum is σ = 528933600. Its totient is φ = 32548608.

The previous prime is 142402661. The next prime is 142402681. The reversal of 142402680 is 86204241.

142402680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142402681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25735 + ... + 30774.

It is an arithmetic number, because the mean of its divisors is an integer number (5509725).

Almost surely, 2^142402680 is an apocalyptic number.

142402680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142402680 is an abundant number, since it is smaller than the sum of its proper divisors (386530920).

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

142402680 is a wasteful number, since it uses less digits than its factorization.

142402680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56533 (or 56526 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 142402680 is about 11933.2594038678. The cubic root of 142402680 is about 522.2030301952.

The spelling of 142402680 in words is "one hundred forty-two million, four hundred two thousand, six hundred eighty".