143874 has 12 divisors (see below), whose sum is σ = 311766. Its totient is φ = 47952.

The previous prime is 143873. The next prime is 143879. The reversal of 143874 is 478341.

It can be written as a sum of positive squares in only one way, i.e., 140625 + 3249 = 375^2 + 57^2 .

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 (143873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3979 + ... + 4014.

2¹⁴³⁸⁷⁴ is an apocalyptic number.

143874 is an abundant number, since it is smaller than the sum of its proper divisors (167892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143874 is a wasteful number, since it uses less digits than its factorization.

143874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8001 (or 7998 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 143874 is about 379.3072633104. The cubic root of 143874 is about 52.3995357650.

The spelling of 143874 in words is "one hundred forty-three thousand, eight hundred seventy-four".