143774 has 4 divisors (see below), whose sum is σ = 215664. Its totient is φ = 71886.

The previous prime is 143743. The next prime is 143779. The reversal of 143774 is 477341.

143774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35942 + ... + 35945.

It is an arithmetic number, because the mean of its divisors is an integer number (53916).

2¹⁴³⁷⁷⁴ is an apocalyptic number.

143774 is a deficient number, since it is larger than the sum of its proper divisors (71890).

143774 is an equidigital number, since it uses as much as digits as its factorization.

143774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71889.

The product of its digits is 2352, while the sum is 26.

The square root of 143774 is about 379.1754211444. The cubic root of 143774 is about 52.3873928064.

The spelling of 143774 in words is "one hundred forty-three thousand, seven hundred seventy-four", and thus it is an iban number.