143332434 has 48 divisors (see below), whose sum is σ = 359803392. Its totient is φ = 40388544.

The previous prime is 143332411. The next prime is 143332439. The reversal of 143332434 is 434233341.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 143332398 and 143332407.

It is not an unprimeable number, because it can be changed into a prime (143332439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1407 + ... + 16989.

It is an arithmetic number, because the mean of its divisors is an integer number (7495904).

Almost surely, 2^143332434 is an apocalyptic number.

143332434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 143332434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179901696).

143332434 is an abundant number, since it is smaller than the sum of its proper divisors (216470958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143332434 is a wasteful number, since it uses less digits than its factorization.

143332434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15671 (or 15668 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

The square root of 143332434 is about 11972.1524380539. The cubic root of 143332434 is about 523.3370620134.

Adding to 143332434 its reverse (434233341), we get a palindrome (577565775).

The spelling of 143332434 in words is "one hundred forty-three million, three hundred thirty-two thousand, four hundred thirty-four".