142770 has 16 divisors (see below), whose sum is σ = 342720. Its totient is φ = 38064.

The previous prime is 142759. The next prime is 142771. The reversal of 142770 is 77241.

142770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142770.

It is not an unprimeable number, because it can be changed into a prime (142771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2350 + ... + 2409.

It is an arithmetic number, because the mean of its divisors is an integer number (21420).

2¹⁴²⁷⁷⁰ is an apocalyptic number.

142770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142770 is an abundant number, since it is smaller than the sum of its proper divisors (199950).

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

142770 is a wasteful number, since it uses less digits than its factorization.

142770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4769.

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 142770 is about 377.8491762595. The cubic root of 142770 is about 52.2651642836.

The spelling of 142770 in words is "one hundred forty-two thousand, seven hundred seventy", and thus it is an iban number.