143813065 has 16 divisors (see below), whose sum is σ = 188847360. Its totient is φ = 104267520.

The previous prime is 143813057. The next prime is 143813069. The reversal of 143813065 is 560318341.

It is not a de Polignac number, because 143813065 - 2³ = 143813057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143813069) 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, 14656 + ... + 22414.

It is an arithmetic number, because the mean of its divisors is an integer number (11802960).

Almost surely, 2^143813065 is an apocalyptic number.

It is an amenable number.

143813065 is a deficient number, since it is larger than the sum of its proper divisors (45034295).

143813065 is a wasteful number, since it uses less digits than its factorization.

143813065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8112.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 143813065 is about 11992.2085121966. The cubic root of 143813065 is about 523.9213712313.

The spelling of 143813065 in words is "one hundred forty-three million, eight hundred thirteen thousand, sixty-five".