143667 has 16 divisors (see below), whose sum is σ = 226080. Its totient is φ = 89856.

The previous prime is 143653. The next prime is 143669. The reversal of 143667 is 766341.

It is not a de Polignac number, because 143667 - 2⁴ = 143651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 143667.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 143667.

It is not an unprimeable number, because it can be changed into a prime (143669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303 + ... + 615.

It is an arithmetic number, because the mean of its divisors is an integer number (14130).

2¹⁴³⁶⁶⁷ is an apocalyptic number.

143667 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

143667 is a deficient number, since it is larger than the sum of its proper divisors (82413).

143667 is a wasteful number, since it uses less digits than its factorization.

143667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 333 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 143667 is about 379.0342992395. The cubic root of 143667 is about 52.3743936036.

The spelling of 143667 in words is "one hundred forty-three thousand, six hundred sixty-seven".