1143041501 has 32 divisors (see below), whose sum is σ = 1423806720. Its totient is φ = 895795200.

The previous prime is 1143041489. The next prime is 1143041509. The reversal of 1143041501 is 1051403411.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1143041501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143041509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 527861 + ... + 530021.

It is an arithmetic number, because the mean of its divisors is an integer number (44493960).

Almost surely, 2^1143041501 is an apocalyptic number.

It is an amenable number.

1143041501 is a deficient number, since it is larger than the sum of its proper divisors (280765219).

1143041501 is a wasteful number, since it uses less digits than its factorization.

1143041501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1143041501 is about 33808.8967728910. The cubic root of 1143041501 is about 1045.5721326938.

Adding to 1143041501 its reverse (1051403411), we get a palindrome (2194444912).

The spelling of 1143041501 in words is "one billion, one hundred forty-three million, forty-one thousand, five hundred one".