143936894 has 16 divisors (see below), whose sum is σ = 230150400. Its totient is φ = 67316184.

The previous prime is 143936893. The next prime is 143936917. The reversal of 143936894 is 498639341.

It is a happy number.

143936894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143936893) 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, 20972 + ... + 26975.

It is an arithmetic number, because the mean of its divisors is an integer number (14384400).

Almost surely, 2^143936894 is an apocalyptic number.

143936894 is a deficient number, since it is larger than the sum of its proper divisors (86213506).

143936894 is a wasteful number, since it uses less digits than its factorization.

143936894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48047.

The product of its digits is 559872, while the sum is 47.

The square root of 143936894 is about 11997.3702951939. The cubic root of 143936894 is about 524.0717007531.

The spelling of 143936894 in words is "one hundred forty-three million, nine hundred thirty-six thousand, eight hundred ninety-four".