143434240 has 80 divisors (see below), whose sum is σ = 352173888. Its totient is φ = 55996416.

The previous prime is 143434231. The next prime is 143434273. The reversal of 143434240 is 42434341.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109429 + ... + 110731.

Almost surely, 2^143434240 is an apocalyptic number.

143434240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143434240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176086944).

143434240 is an abundant number, since it is smaller than the sum of its proper divisors (208739648).

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

143434240 is an equidigital number, since it uses as much as digits as its factorization.

143434240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369 (or 1353 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 143434240 is about 11976.4034668176. The cubic root of 143434240 is about 523.4609377758.

Adding to 143434240 its reverse (42434341), we get a palindrome (185868581).

The spelling of 143434240 in words is "one hundred forty-three million, four hundred thirty-four thousand, two hundred forty".