1143442041 has 16 divisors (see below), whose sum is σ = 1745169408. Its totient is φ = 652352400.

The previous prime is 1143442031. The next prime is 1143442061. The reversal of 1143442041 is 1402443411.

It is not a de Polignac number, because 1143442041 - 2⁵ = 1143442009 is a prime.

It is a super-2 number, since 2×1143442041² = 2614919402252491362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1143442031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29895 + ... + 56396.

It is an arithmetic number, because the mean of its divisors is an integer number (109073088).

Almost surely, 2^1143442041 is an apocalyptic number.

It is an amenable number.

1143442041 is a deficient number, since it is larger than the sum of its proper divisors (601727367).

1143442041 is an equidigital number, since it uses as much as digits as its factorization.

1143442041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86932.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1143442041 is about 33814.8198427849. The cubic root of 1143442041 is about 1045.6942468235.

Adding to 1143442041 its reverse (1402443411), we get a palindrome (2545885452).

The spelling of 1143442041 in words is "one billion, one hundred forty-three million, four hundred forty-two thousand, forty-one".