143248893 has 16 divisors (see below), whose sum is σ = 199108800. Its totient is φ = 91495040.

The previous prime is 143248891. The next prime is 143248909. The reversal of 143248893 is 398842341.

It is a cyclic number.

It is not a de Polignac number, because 143248893 - 2¹ = 143248891 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143248891) 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, 5113 + ... + 17681.

It is an arithmetic number, because the mean of its divisors is an integer number (12444300).

Almost surely, 2^143248893 is an apocalyptic number.

It is an amenable number.

143248893 is a deficient number, since it is larger than the sum of its proper divisors (55859907).

143248893 is a wasteful number, since it uses less digits than its factorization.

143248893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12732.

The product of its digits is 165888, while the sum is 42.

The square root of 143248893 is about 11968.6629579080. The cubic root of 143248893 is about 523.2353669606.

The spelling of 143248893 in words is "one hundred forty-three million, two hundred forty-eight thousand, eight hundred ninety-three".