142856704 has 40 divisors (see below), whose sum is σ = 293187708. Its totient is φ = 69488640.

The previous prime is 142856683. The next prime is 142856719. The reversal of 142856704 is 407658241.

142856704 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 142850304 + 6400 = 11952^2 + 80^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15174 + ... + 22714.

Almost surely, 2^142856704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142856704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146593854).

142856704 is an abundant number, since it is smaller than the sum of its proper divisors (150331004).

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

142856704 is an frugal number, since it uses more digits than its factorization.

142856704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7596 (or 7580 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 142856704 is about 11952.2677346184. The cubic root of 142856704 is about 522.7574232700.

The spelling of 142856704 in words is "one hundred forty-two million, eight hundred fifty-six thousand, seven hundred four".