155275103 has 2 divisors, whose sum is σ = 155275104. Its totient is φ = 155275102.

The previous prime is 155275091. The next prime is 155275117. The reversal of 155275103 is 301572551.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155275103 - 2¹⁰ = 155274079 is a prime.

It is a super-2 number, since 2×155275103² = 48220715223321218, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155275303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77637551 + 77637552.

It is an arithmetic number, because the mean of its divisors is an integer number (77637552).

Almost surely, 2^155275103 is an apocalyptic number.

155275103 is a deficient number, since it is larger than the sum of its proper divisors (1).

155275103 is an equidigital number, since it uses as much as digits as its factorization.

155275103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 155275103 is about 12460.9431023498. The cubic root of 155275103 is about 537.4861469658.

The spelling of 155275103 in words is "one hundred fifty-five million, two hundred seventy-five thousand, one hundred three".