155675543 has 2 divisors, whose sum is σ = 155675544. Its totient is φ = 155675542.

The previous prime is 155675519. The next prime is 155675573. The reversal of 155675543 is 345576551.

It is a weak prime.

It is an emirp because it is prime and its reverse (345576551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 155675543 - 2¹² = 155671447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155675543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155675503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77837771 + 77837772.

It is an arithmetic number, because the mean of its divisors is an integer number (77837772).

Almost surely, 2^155675543 is an apocalyptic number.

155675543 is a deficient number, since it is larger than the sum of its proper divisors (1).

155675543 is an equidigital number, since it uses as much as digits as its factorization.

155675543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 315000, while the sum is 41.

The square root of 155675543 is about 12477.0005610323. Note that the first 3 decimals coincide. The cubic root of 155675543 is about 537.9477925505.

The spelling of 155675543 in words is "one hundred fifty-five million, six hundred seventy-five thousand, five hundred forty-three".