1441400143 has 4 divisors (see below), whose sum is σ = 1442546280. Its totient is φ = 1440254008.

The previous prime is 1441400113. The next prime is 1441400159. The reversal of 1441400143 is 3410041441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3410041441 = 17 ⋅200590673.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1441400143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441400113) 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, 571180 + ... + 573697.

It is an arithmetic number, because the mean of its divisors is an integer number (360636570).

Almost surely, 2^1441400143 is an apocalyptic number.

1441400143 is a deficient number, since it is larger than the sum of its proper divisors (1146137).

1441400143 is a wasteful number, since it uses less digits than its factorization.

1441400143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146136.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1441400143 is about 37965.7759436048. The cubic root of 1441400143 is about 1129.6091119351.

Adding to 1441400143 its reverse (3410041441), we get a palindrome (4851441584).

The spelling of 1441400143 in words is "one billion, four hundred forty-one million, four hundred thousand, one hundred forty-three".