1143052541 has 2 divisors, whose sum is σ = 1143052542. Its totient is φ = 1143052540.

The previous prime is 1143052453. The next prime is 1143052577. The reversal of 1143052541 is 1452503411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 659976100 + 483076441 = 25690^2 + 21979^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143052541 - 2¹⁰ = 1143051517 is a prime.

It is a super-2 number, since 2×1143052541² = 2613138222973113362, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1143052541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143052591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571526270 + 571526271.

It is an arithmetic number, because the mean of its divisors is an integer number (571526271).

Almost surely, 2^1143052541 is an apocalyptic number.

It is an amenable number.

1143052541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143052541 is an equidigital number, since it uses as much as digits as its factorization.

1143052541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1143052541 is about 33809.0600431305. The cubic root of 1143052541 is about 1045.5754988822.

Adding to 1143052541 its reverse (1452503411), we get a palindrome (2595555952).

The spelling of 1143052541 in words is "one billion, one hundred forty-three million, fifty-two thousand, five hundred forty-one".