143472238 has 16 divisors (see below), whose sum is σ = 264872160. Its totient is φ = 56758176.

The previous prime is 143472233. The next prime is 143472253. The reversal of 143472238 is 832274341.

143472238 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 (143472233) 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, 393973 + ... + 394336.

It is an arithmetic number, because the mean of its divisors is an integer number (16554510).

Almost surely, 2^143472238 is an apocalyptic number.

143472238 is a deficient number, since it is larger than the sum of its proper divisors (121399922).

143472238 is a wasteful number, since it uses less digits than its factorization.

143472238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788331.

The product of its digits is 32256, while the sum is 34.

The square root of 143472238 is about 11977.9897311694. The cubic root of 143472238 is about 523.5071580566.

The spelling of 143472238 in words is "one hundred forty-three million, four hundred seventy-two thousand, two hundred thirty-eight".