155775794 has 32 divisors (see below), whose sum is σ = 261636480. Its totient is φ = 69126912.

The previous prime is 155775793. The next prime is 155775797. The reversal of 155775794 is 497577551.

It is a happy number.

155775794 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (155775793) 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 in 15 ways as a sum of consecutive naturals, for example, 188867 + ... + 189689.

It is an arithmetic number, because the mean of its divisors is an integer number (8176140).

Almost surely, 2^155775794 is an apocalyptic number.

155775794 is a deficient number, since it is larger than the sum of its proper divisors (105860686).

155775794 is a wasteful number, since it uses less digits than its factorization.

155775794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154.

The product of its digits is 1543500, while the sum is 50.

The square root of 155775794 is about 12481.0173463544. The cubic root of 155775794 is about 538.0632425666.

The spelling of 155775794 in words is "one hundred fifty-five million, seven hundred seventy-five thousand, seven hundred ninety-four".