142761 has 8 divisors (see below), whose sum is σ = 198720. Its totient is φ = 90992.

The previous prime is 142759. The next prime is 142771. The reversal of 142761 is 167241.

142761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142761 - 2¹ = 142759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142711) 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, 966 + ... + 1103.

It is an arithmetic number, because the mean of its divisors is an integer number (24840).

2¹⁴²⁷⁶¹ is an apocalyptic number.

It is an amenable number.

142761 is a deficient number, since it is larger than the sum of its proper divisors (55959).

142761 is a wasteful number, since it uses less digits than its factorization.

142761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095.

The product of its digits is 336, while the sum is 21.

The square root of 142761 is about 377.8372665580. The cubic root of 142761 is about 52.2640660221.

It can be divided in two parts, 142 and 761, that added together give a triangular number (903 = T₄₂).

The spelling of 142761 in words is "one hundred forty-two thousand, seven hundred sixty-one".