143674 has 4 divisors (see below), whose sum is σ = 215514. Its totient is φ = 71836.

The previous prime is 143669. The next prime is 143677. The reversal of 143674 is 476341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 476341 = 503 ⋅947.

It can be written as a sum of positive squares in only one way, i.e., 119025 + 24649 = 345^2 + 157^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (143677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35917 + ... + 35920.

2¹⁴³⁶⁷⁴ is an apocalyptic number.

143674 is a deficient number, since it is larger than the sum of its proper divisors (71840).

143674 is an equidigital number, since it uses as much as digits as its factorization.

143674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71839.

The product of its digits is 2016, while the sum is 25.

The square root of 143674 is about 379.0435331199. The cubic root of 143674 is about 52.3752442160.

The spelling of 143674 in words is "one hundred forty-three thousand, six hundred seventy-four".