143401401 has 48 divisors (see below), whose sum is σ = 251046720. Its totient is φ = 80196480.

The previous prime is 143401387. The next prime is 143401429. The reversal of 143401401 is 104104341.

It is not a de Polignac number, because 143401401 - 2⁶ = 143401337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143401451) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 48765 + ... + 51621.

It is an arithmetic number, because the mean of its divisors is an integer number (5230140).

Almost surely, 2^143401401 is an apocalyptic number.

143401401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

143401401 is a deficient number, since it is larger than the sum of its proper divisors (107645319).

143401401 is a wasteful number, since it uses less digits than its factorization.

143401401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903 (or 2884 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 143401401 is about 11975.0324007912. The cubic root of 143401401 is about 523.4209862603.

Adding to 143401401 its reverse (104104341), we get a palindrome (247505742).

The spelling of 143401401 in words is "one hundred forty-three million, four hundred one thousand, four hundred one".