143996867 has 8 divisors (see below), whose sum is σ = 164822112. Its totient is φ = 123235200.

The previous prime is 143996857. The next prime is 143996873. The reversal of 143996867 is 768699341.

143996867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 143996867 - 2¹⁰ = 143995843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143996857) 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, 10934 + ... + 20187.

It is an arithmetic number, because the mean of its divisors is an integer number (20602764).

Almost surely, 2^143996867 is an apocalyptic number.

143996867 is a deficient number, since it is larger than the sum of its proper divisors (20825245).

143996867 is an equidigital number, since it uses as much as digits as its factorization.

143996867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31789.

The product of its digits is 1959552, while the sum is 53.

The square root of 143996867 is about 11999.8694576233. The cubic root of 143996867 is about 524.1444775259.

The spelling of 143996867 in words is "one hundred forty-three million, nine hundred ninety-six thousand, eight hundred sixty-seven".