141542549 has 2 divisors, whose sum is σ = 141542550. Its totient is φ = 141542548.

The previous prime is 141542539. The next prime is 141542567. The reversal of 141542549 is 945245141.

141542549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126720049 + 14822500 = 11257^2 + 3850^2 .

It is a cyclic number.

It is not a de Polignac number, because 141542549 - 2⁸ = 141542293 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141542539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70771274 + 70771275.

It is an arithmetic number, because the mean of its divisors is an integer number (70771275).

Almost surely, 2^141542549 is an apocalyptic number.

It is an amenable number.

141542549 is a deficient number, since it is larger than the sum of its proper divisors (1).

141542549 is an equidigital number, since it uses as much as digits as its factorization.

141542549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 35.

The square root of 141542549 is about 11897.1655868110. The cubic root of 141542549 is about 521.1495144512.

The spelling of 141542549 in words is "one hundred forty-one million, five hundred forty-two thousand, five hundred forty-nine".