155193085 has 16 divisors (see below), whose sum is σ = 197683200. Its totient is φ = 116557056.

The previous prime is 155193079. The next prime is 155193097. The reversal of 155193085 is 580391551.

It is a cyclic number.

It is not a de Polignac number, because 155193085 - 2⁵ = 155193053 is a prime.

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, 35236 + ... + 39394.

It is an arithmetic number, because the mean of its divisors is an integer number (12355200).

Almost surely, 2^155193085 is an apocalyptic number.

It is an amenable number.

155193085 is a deficient number, since it is larger than the sum of its proper divisors (42490115).

155193085 is a wasteful number, since it uses less digits than its factorization.

155193085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4620.

The product of its (nonzero) digits is 27000, while the sum is 37.

The square root of 155193085 is about 12457.6516647400. The cubic root of 155193085 is about 537.3914949535.

The spelling of 155193085 in words is "one hundred fifty-five million, one hundred ninety-three thousand, eighty-five".