143967 has 8 divisors (see below), whose sum is σ = 197296. Its totient is φ = 93312.

The previous prime is 143953. The next prime is 143971. The reversal of 143967 is 769341.

It is a happy number.

143967 is nontrivially palindromic in base 6.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143967 - 2⁸ = 143711 is a prime.

It is a Duffinian number.

143967 is an undulating number in base 6.

143967 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 143967.

It is not an unprimeable number, because it can be changed into a prime (143947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538 + ... + 759.

It is an arithmetic number, because the mean of its divisors is an integer number (24662).

2¹⁴³⁹⁶⁷ is an apocalyptic number.

143967 is a deficient number, since it is larger than the sum of its proper divisors (53329).

143967 is a wasteful number, since it uses less digits than its factorization.

143967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337.

The product of its digits is 4536, while the sum is 30.

The square root of 143967 is about 379.4298354110. The cubic root of 143967 is about 52.4108236678.

The spelling of 143967 in words is "one hundred forty-three thousand, nine hundred sixty-seven".