143401301 has 4 divisors (see below), whose sum is σ = 145752204. Its totient is φ = 141050400.

The previous prime is 143401267. The next prime is 143401309. The reversal of 143401301 is 103104341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4774225 + 138627076 = 2185^2 + 11774^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143401301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 143401301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143401309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175360 + ... + 1175481.

It is an arithmetic number, because the mean of its divisors is an integer number (36438051).

Almost surely, 2^143401301 is an apocalyptic number.

It is an amenable number.

143401301 is a deficient number, since it is larger than the sum of its proper divisors (2350903).

143401301 is an equidigital number, since it uses as much as digits as its factorization.

143401301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350902.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 143401301 is about 11975.0282254365. The cubic root of 143401301 is about 523.4208645923.

Adding to 143401301 its reverse (103104341), we get a palindrome (246505642).

The spelling of 143401301 in words is "one hundred forty-three million, four hundred one thousand, three hundred one".