143734 has 4 divisors (see below), whose sum is σ = 215604. Its totient is φ = 71866.

The previous prime is 143729. The next prime is 143743. The reversal of 143734 is 437341.

It is a happy number.

143734 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, and also an emirpimes, since its reverse is a distinct semiprime: 437341 = 233 ⋅1877.

It is a congruent number.

It is an unprimeable number.

143734 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35932 + ... + 35935.

It is an arithmetic number, because the mean of its divisors is an integer number (53901).

2¹⁴³⁷³⁴ is an apocalyptic number.

143734 is a deficient number, since it is larger than the sum of its proper divisors (71870).

143734 is an equidigital number, since it uses as much as digits as its factorization.

143734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71869.

The product of its digits is 1008, while the sum is 22.

The square root of 143734 is about 379.1226714403. The cubic root of 143734 is about 52.3825340464.

The spelling of 143734 in words is "one hundred forty-three thousand, seven hundred thirty-four".