143331434 has 8 divisors (see below), whose sum is σ = 215774148. Its totient is φ = 71406720.

The previous prime is 143331431. The next prime is 143331439. The reversal of 143331434 is 434133341.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 142730809 + 600625 = 11947^2 + 775^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (143331431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128807 + ... + 129914.

Almost surely, 2^143331434 is an apocalyptic number.

143331434 is a deficient number, since it is larger than the sum of its proper divisors (72442714).

143331434 is a wasteful number, since it uses less digits than its factorization.

143331434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259000.

The product of its digits is 5184, while the sum is 26.

The square root of 143331434 is about 11972.1106743966. The cubic root of 143331434 is about 523.3358449400.

Adding to 143331434 its reverse (434133341), we get a palindrome (577464775).

The spelling of 143331434 in words is "one hundred forty-three million, three hundred thirty-one thousand, four hundred thirty-four".