155798195 has 24 divisors (see below), whose sum is σ = 228934800. Its totient is φ = 101207232.

The previous prime is 155798189. The next prime is 155798213. The reversal of 155798195 is 591897551.

It is not a de Polignac number, because 155798195 - 2⁶ = 155798131 is a prime.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 12080 + ... + 21389.

It is an arithmetic number, because the mean of its divisors is an integer number (9538950).

Almost surely, 2^155798195 is an apocalyptic number.

155798195 is a deficient number, since it is larger than the sum of its proper divisors (73136605).

155798195 is a wasteful number, since it uses less digits than its factorization.

155798195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33507 (or 33500 counting only the distinct ones).

The product of its digits is 567000, while the sum is 50.

The square root of 155798195 is about 12481.9147169014. The cubic root of 155798195 is about 538.0890330027.

The spelling of 155798195 in words is "one hundred fifty-five million, seven hundred ninety-eight thousand, one hundred ninety-five".