1541143 has 2 divisors, whose sum is σ = 1541144. Its totient is φ = 1541142.

The previous prime is 1541119. The next prime is 1541171. The reversal of 1541143 is 3411451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1541143 - 2⁹ = 1540631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1541143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1545143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770571 + 770572.

It is an arithmetic number, because the mean of its divisors is an integer number (770572).

2^1541143 is an apocalyptic number.

1541143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1541143 is an equidigital number, since it uses as much as digits as its factorization.

1541143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240, while the sum is 19.

The square root of 1541143 is about 1241.4278070029. The cubic root of 1541143 is about 115.5085980244.

Adding to 1541143 its reverse (3411451), we get a palindrome (4952594).

The spelling of 1541143 in words is "one million, five hundred forty-one thousand, one hundred forty-three".