142773 has 4 divisors (see below), whose sum is σ = 190368. Its totient is φ = 95180.

The previous prime is 142771. The next prime is 142787. The reversal of 142773 is 377241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142773 - 2¹ = 142771 is a prime.

It is a D-number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 23793 + ... + 23798.

It is an arithmetic number, because the mean of its divisors is an integer number (47592).

2¹⁴²⁷⁷³ is an apocalyptic number.

It is an amenable number.

142773 is a deficient number, since it is larger than the sum of its proper divisors (47595).

142773 is an equidigital number, since it uses as much as digits as its factorization.

142773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47594.

The product of its digits is 1176, while the sum is 24.

The square root of 142773 is about 377.8531460766. The cubic root of 142773 is about 52.2655303605.

The spelling of 142773 in words is "one hundred forty-two thousand, seven hundred seventy-three", and thus it is an iban number.