1143462541 has 16 divisors (see below), whose sum is σ = 1331276800. Its totient is φ = 972917568.

The previous prime is 1143462533. The next prime is 1143462589. The reversal of 1143462541 is 1452643411.

It is a cyclic number.

It is not a de Polignac number, because 1143462541 - 2³ = 1143462533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143462521) 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, 53421 + ... + 71698.

It is an arithmetic number, because the mean of its divisors is an integer number (83204800).

Almost surely, 2^1143462541 is an apocalyptic number.

It is an amenable number.

1143462541 is a deficient number, since it is larger than the sum of its proper divisors (187814259).

1143462541 is a wasteful number, since it uses less digits than its factorization.

1143462541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125188.

The product of its digits is 11520, while the sum is 31.

The square root of 1143462541 is about 33815.1229629585. The cubic root of 1143462541 is about 1045.7004959681.

The spelling of 1143462541 in words is "one billion, one hundred forty-three million, four hundred sixty-two thousand, five hundred forty-one".