143140340 has 96 divisors (see below), whose sum is σ = 367234560. Its totient is φ = 45748224.

The previous prime is 143140321. The next prime is 143140351. The reversal of 143140340 is 43041341.

It is a happy number.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 325841 + ... + 326279.

It is an arithmetic number, because the mean of its divisors is an integer number (3825360).

Almost surely, 2^143140340 is an apocalyptic number.

143140340 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 143140340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183617280).

143140340 is an abundant number, since it is smaller than the sum of its proper divisors (224094220).

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

143140340 is a wasteful number, since it uses less digits than its factorization.

143140340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609 (or 607 counting only the distinct ones).

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

The square root of 143140340 is about 11964.1272143019. The cubic root of 143140340 is about 523.1031655386.

Adding to 143140340 its reverse (43041341), we get a palindrome (186181681).

The spelling of 143140340 in words is "one hundred forty-three million, one hundred forty thousand, three hundred forty".