155928193 has 8 divisors (see below), whose sum is σ = 164278400. Its totient is φ = 147592368.

The previous prime is 155928181. The next prime is 155928203. The reversal of 155928193 is 391829551.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155928193 - 2²⁵ = 122373761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155928103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24280 + ... + 30022.

It is an arithmetic number, because the mean of its divisors is an integer number (20534800).

Almost surely, 2^155928193 is an apocalyptic number.

It is an amenable number.

155928193 is a deficient number, since it is larger than the sum of its proper divisors (8350207).

155928193 is a wasteful number, since it uses less digits than its factorization.

155928193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7191.

The product of its digits is 97200, while the sum is 43.

The square root of 155928193 is about 12487.1210853423. The cubic root of 155928193 is about 538.2386518768.

The spelling of 155928193 in words is "one hundred fifty-five million, nine hundred twenty-eight thousand, one hundred ninety-three".