143801383 has 4 divisors (see below), whose sum is σ = 156874248. Its totient is φ = 130728520.

The previous prime is 143801347. The next prime is 143801387. The reversal of 143801383 is 383108341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143801383 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143801387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6536416 + ... + 6536437.

It is an arithmetic number, because the mean of its divisors is an integer number (39218562).

Almost surely, 2^143801383 is an apocalyptic number.

143801383 is a deficient number, since it is larger than the sum of its proper divisors (13072865).

143801383 is a wasteful number, since it uses less digits than its factorization.

143801383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13072864.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 143801383 is about 11991.7214360575. The cubic root of 143801383 is about 523.9071847242.

The spelling of 143801383 in words is "one hundred forty-three million, eight hundred one thousand, three hundred eighty-three".