155119 has 2 divisors, whose sum is σ = 155120. Its totient is φ = 155118.

The previous prime is 155087. The next prime is 155137. The reversal of 155119 is 911551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155119 - 2⁵ = 155087 is a prime.

It is a super-2 number, since 2×155119² = 48123808322, which contains 22 as substring.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 155119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77559 + 77560.

It is an arithmetic number, because the mean of its divisors is an integer number (77560).

2¹⁵⁵¹¹⁹ is an apocalyptic number.

155119 is a deficient number, since it is larger than the sum of its proper divisors (1).

155119 is an equidigital number, since it uses as much as digits as its factorization.

155119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225, while the sum is 22.

The square root of 155119 is about 393.8514948556. The cubic root of 155119 is about 53.7305969266.

The spelling of 155119 in words is "one hundred fifty-five thousand, one hundred nineteen".