143234434 has 16 divisors (see below), whose sum is σ = 246336768. Its totient is φ = 61188192.

The previous prime is 143234431. The next prime is 143234447. The reversal of 143234434 is 434432341.

It is a super-2 number, since 2×143234434² = 41032206166600712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (143234431) 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, 11962 + ... + 20725.

It is an arithmetic number, because the mean of its divisors is an integer number (15396048).

Almost surely, 2^143234434 is an apocalyptic number.

143234434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

143234434 is a deficient number, since it is larger than the sum of its proper divisors (103102334).

143234434 is a wasteful number, since it uses less digits than its factorization.

143234434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33009.

The product of its digits is 13824, while the sum is 28.

The square root of 143234434 is about 11968.0589069406. The cubic root of 143234434 is about 523.2177619037.

Adding to 143234434 its reverse (434432341), we get a palindrome (577666775).

The spelling of 143234434 in words is "one hundred forty-three million, two hundred thirty-four thousand, four hundred thirty-four".