155799085 has 16 divisors (see below), whose sum is σ = 201769344. Its totient is φ = 114806592.

The previous prime is 155799073. The next prime is 155799103. The reversal of 155799085 is 580997551.

It is a cyclic number.

It is not a de Polignac number, because 155799085 - 2⁷ = 155798957 is a prime.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 31704 + ... + 36286.

It is an arithmetic number, because the mean of its divisors is an integer number (12610584).

Almost surely, 2^155799085 is an apocalyptic number.

It is an amenable number.

155799085 is a deficient number, since it is larger than the sum of its proper divisors (45970259).

155799085 is a wasteful number, since it uses less digits than its factorization.

155799085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5124.

The product of its (nonzero) digits is 567000, while the sum is 49.

The square root of 155799085 is about 12481.9503684320. The cubic root of 155799085 is about 538.0900576152.

The spelling of 155799085 in words is "one hundred fifty-five million, seven hundred ninety-nine thousand, eighty-five".