143438834 has 16 divisors (see below), whose sum is σ = 268249536. Its totient is φ = 55885200.

The previous prime is 143438831. The next prime is 143438837. The reversal of 143438834 is 438834341.

143438834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (143438831) and next prime (143438837).

It is not an unprimeable number, because it can be changed into a prime (143438831) 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, 465557 + ... + 465864.

It is an arithmetic number, because the mean of its divisors is an integer number (16765596).

Almost surely, 2^143438834 is an apocalyptic number.

143438834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

143438834 is a deficient number, since it is larger than the sum of its proper divisors (124810702).

143438834 is a wasteful number, since it uses less digits than its factorization.

143438834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931441.

The product of its digits is 110592, while the sum is 38.

The square root of 143438834 is about 11976.5952590876. The cubic root of 143438834 is about 523.4665262924.

The spelling of 143438834 in words is "one hundred forty-three million, four hundred thirty-eight thousand, eight hundred thirty-four".