143401113 has 48 divisors (see below), whose sum is σ = 230405760. Its totient is φ = 85773600.

The previous prime is 143401109. The next prime is 143401147. The reversal of 143401113 is 311104341.

It is not a de Polignac number, because 143401113 - 2² = 143401109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143401913) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1419763 + ... + 1419863.

It is an arithmetic number, because the mean of its divisors is an integer number (4800120).

Almost surely, 2^143401113 is an apocalyptic number.

It is an amenable number.

143401113 is a deficient number, since it is larger than the sum of its proper divisors (87004647).

143401113 is a wasteful number, since it uses less digits than its factorization.

143401113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 143401113 is about 11975.0203757655. The cubic root of 143401113 is about 523.4206358562.

Adding to 143401113 its reverse (311104341), we get a palindrome (454505454).

The spelling of 143401113 in words is "one hundred forty-three million, four hundred one thousand, one hundred thirteen".