155441543 has 2 divisors, whose sum is σ = 155441544. Its totient is φ = 155441542.

The previous prime is 155441519. The next prime is 155441563. The reversal of 155441543 is 345144551.

155441543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155441543 - 2¹⁴ = 155425159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155441563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77720771 + 77720772.

It is an arithmetic number, because the mean of its divisors is an integer number (77720772).

Almost surely, 2^155441543 is an apocalyptic number.

155441543 is a deficient number, since it is larger than the sum of its proper divisors (1).

155441543 is an equidigital number, since it uses as much as digits as its factorization.

155441543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24000, while the sum is 32.

The square root of 155441543 is about 12467.6197808563. The cubic root of 155441543 is about 537.6781229013.

The spelling of 155441543 in words is "one hundred fifty-five million, four hundred forty-one thousand, five hundred forty-three".