1145143541 has 8 divisors (see below), whose sum is σ = 1149685344. Its totient is φ = 1140611760.

The previous prime is 1145143529. The next prime is 1145143543. The reversal of 1145143541 is 1453415411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145143541 is a prime.

It is a super-2 number, since 2×1145143541² = 2622707458988037362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145143543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289346 + ... + 293276.

It is an arithmetic number, because the mean of its divisors is an integer number (143710668).

Almost surely, 2^1145143541 is an apocalyptic number.

It is an amenable number.

1145143541 is a deficient number, since it is larger than the sum of its proper divisors (4541803).

1145143541 is an equidigital number, since it uses as much as digits as its factorization.

1145143541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5011.

The product of its digits is 4800, while the sum is 29.

The square root of 1145143541 is about 33839.9695774095. The cubic root of 1145143541 is about 1046.2126718620.

Adding to 1145143541 its reverse (1453415411), we get a palindrome (2598558952).

The spelling of 1145143541 in words is "one billion, one hundred forty-five million, one hundred forty-three thousand, five hundred forty-one".