143099 has 4 divisors (see below), whose sum is σ = 156120. Its totient is φ = 130080.

The previous prime is 143093. The next prime is 143107. The reversal of 143099 is 990341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990341 = 11 ⋅90031.

It is a cyclic number.

It is not a de Polignac number, because 143099 - 2¹⁶ = 77563 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 143099.

It is not an unprimeable number, because it can be changed into a prime (143093) 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, 6494 + ... + 6515.

It is an arithmetic number, because the mean of its divisors is an integer number (39030).

2¹⁴³⁰⁹⁹ is an apocalyptic number.

143099 is a deficient number, since it is larger than the sum of its proper divisors (13021).

143099 is a wasteful number, since it uses less digits than its factorization.

143099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13020.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 143099 is about 378.2842846326. The cubic root of 143099 is about 52.3052801989.

It can be divided in two parts, 14 and 3099, that added together give a palindrome (3113).

The spelling of 143099 in words is "one hundred forty-three thousand, ninety-nine".