143113340 has 24 divisors (see below), whose sum is σ = 305026512. Its totient is φ = 56390400.

The previous prime is 143113309. The next prime is 143113343. The reversal of 143113340 is 43311341.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143113343) 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, 52061 + ... + 54740.

It is an arithmetic number, because the mean of its divisors is an integer number (12709438).

Almost surely, 2^143113340 is an apocalyptic number.

143113340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143113340 is an abundant number, since it is smaller than the sum of its proper divisors (161913172).

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

143113340 is a wasteful number, since it uses less digits than its factorization.

143113340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106877 (or 106875 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 143113340 is about 11962.9987879294. The cubic root of 143113340 is about 523.0702731720.

Adding to 143113340 its reverse (43311341), we get a palindrome (186424681).

The spelling of 143113340 in words is "one hundred forty-three million, one hundred thirteen thousand, three hundred forty".