143041340 has 96 divisors (see below), whose sum is σ = 341228160. Its totient is φ = 49996800.

The previous prime is 143041307. The next prime is 143041361. The reversal of 143041340 is 43140341.

It is a happy number.

143041340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 459785 + ... + 460095.

It is an arithmetic number, because the mean of its divisors is an integer number (3554460).

Almost surely, 2^143041340 is an apocalyptic number.

143041340 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 143041340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170614080).

143041340 is an abundant number, since it is smaller than the sum of its proper divisors (198186820).

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

143041340 is a wasteful number, since it uses less digits than its factorization.

143041340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 143041340 is about 11959.9891304298. The cubic root of 143041340 is about 522.9825399643.

Adding to 143041340 its reverse (43140341), we get a palindrome (186181681).

Subtracting from 143041340 its reverse (43140341), we obtain a palindrome (99900999).

The spelling of 143041340 in words is "one hundred forty-three million, forty-one thousand, three hundred forty".