1046400143 has 4 divisors (see below), whose sum is σ = 1046493600. Its totient is φ = 1046306688.

The previous prime is 1046400139. The next prime is 1046400163. The reversal of 1046400143 is 3410046401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1046400143 - 2² = 1046400139 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 (1046400163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27218 + ... + 53231.

It is an arithmetic number, because the mean of its divisors is an integer number (261623400).

Almost surely, 2^1046400143 is an apocalyptic number.

1046400143 is a deficient number, since it is larger than the sum of its proper divisors (93457).

1046400143 is an equidigital number, since it uses as much as digits as its factorization.

1046400143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93456.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1046400143 is about 32348.1088009794. The cubic root of 1046400143 is about 1015.2334771529.

Adding to 1046400143 its reverse (3410046401), we get a palindrome (4456446544).

The spelling of 1046400143 in words is "one billion, forty-six million, four hundred thousand, one hundred forty-three".