155086541 has 2 divisors, whose sum is σ = 155086542. Its totient is φ = 155086540.

The previous prime is 155086517. The next prime is 155086543. The reversal of 155086541 is 145680551.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153041641 + 2044900 = 12371^2 + 1430^2 .

It is a cyclic number.

It is not a de Polignac number, because 155086541 - 2¹⁰ = 155085517 is a prime.

Together with 155086543, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155086543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77543270 + 77543271.

It is an arithmetic number, because the mean of its divisors is an integer number (77543271).

Almost surely, 2^155086541 is an apocalyptic number.

It is an amenable number.

155086541 is a deficient number, since it is larger than the sum of its proper divisors (1).

155086541 is an equidigital number, since it uses as much as digits as its factorization.

155086541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 155086541 is about 12453.3746831933. The cubic root of 155086541 is about 537.2684891573.

The spelling of 155086541 in words is "one hundred fifty-five million, eighty-six thousand, five hundred forty-one".