1000144143 has 12 divisors (see below), whose sum is σ = 1445291328. Its totient is φ = 666468000.

The previous prime is 1000144109. The next prime is 1000144157. The reversal of 1000144143 is 3414410001.

It is not a de Polignac number, because 1000144143 - 2¹² = 1000140047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000144163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1983 + ... + 44768.

It is an arithmetic number, because the mean of its divisors is an integer number (120440944).

Almost surely, 2^1000144143 is an apocalyptic number.

1000144143 is a deficient number, since it is larger than the sum of its proper divisors (445147185).

1000144143 is a wasteful number, since it uses less digits than its factorization.

1000144143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49134 (or 49131 counting only the distinct ones).

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

The square root of 1000144143 is about 31625.0556205044. The cubic root of 1000144143 is about 1000.0480453583.

Adding to 1000144143 its reverse (3414410001), we get a palindrome (4414554144).

The spelling of 1000144143 in words is "one billion, one hundred forty-four thousand, one hundred forty-three".