141521543 has 2 divisors, whose sum is σ = 141521544. Its totient is φ = 141521542.

The previous prime is 141521533. The next prime is 141521551. The reversal of 141521543 is 345125141.

It is a strong prime.

It is an emirp because it is prime and its reverse (345125141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141521543 - 2¹⁴ = 141505159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141521533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70760771 + 70760772.

It is an arithmetic number, because the mean of its divisors is an integer number (70760772).

Almost surely, 2^141521543 is an apocalyptic number.

141521543 is a deficient number, since it is larger than the sum of its proper divisors (1).

141521543 is an equidigital number, since it uses as much as digits as its factorization.

141521543 is an odious number, because the sum of its binary digits is odd.

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

The square root of 141521543 is about 11896.2827387382. The cubic root of 141521543 is about 521.1237323139.

Adding to 141521543 its reverse (345125141), we get a palindrome (486646684).

The spelling of 141521543 in words is "one hundred forty-one million, five hundred twenty-one thousand, five hundred forty-three".