142407860 has 24 divisors (see below), whose sum is σ = 341779200. Its totient is φ = 48825504.

The previous prime is 142407847. The next prime is 142407871. The reversal of 142407860 is 68704241.

It is a congruent number.

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, 508460 + ... + 508739.

It is an arithmetic number, because the mean of its divisors is an integer number (14240800).

Almost surely, 2^142407860 is an apocalyptic number.

142407860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142407860 is an abundant number, since it is smaller than the sum of its proper divisors (199371340).

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

142407860 is a wasteful number, since it uses less digits than its factorization.

142407860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017215 (or 1017213 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 142407860 is about 11933.4764423449. The cubic root of 142407860 is about 522.2093619555.

The spelling of 142407860 in words is "one hundred forty-two million, four hundred seven thousand, eight hundred sixty".