1040144143 has 8 divisors (see below), whose sum is σ = 1046037888. Its totient is φ = 1034266584.

The previous prime is 1040144101. The next prime is 1040144173. The reversal of 1040144143 is 3414410401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1040144143 - 2⁹ = 1040143631 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 (1040144173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138696 + ... + 146002.

It is an arithmetic number, because the mean of its divisors is an integer number (130754736).

Almost surely, 2^1040144143 is an apocalyptic number.

1040144143 is a deficient number, since it is larger than the sum of its proper divisors (5893745).

1040144143 is an equidigital number, since it uses as much as digits as its factorization.

1040144143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8093.

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

The square root of 1040144143 is about 32251.2657581063. The cubic root of 1040144143 is about 1013.2062092976.

Adding to 1040144143 its reverse (3414410401), we get a palindrome (4454554544).

The spelling of 1040144143 in words is "one billion, forty million, one hundred forty-four thousand, one hundred forty-three".