155850146 has 16 divisors (see below), whose sum is σ = 239721504. Its totient is φ = 75950784.

The previous prime is 155850137. The next prime is 155850151. The reversal of 155850146 is 641058551.

It is a happy number.

155850146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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, 45386 + ... + 48698.

It is an arithmetic number, because the mean of its divisors is an integer number (14982594).

Almost surely, 2^155850146 is an apocalyptic number.

155850146 is a deficient number, since it is larger than the sum of its proper divisors (83871358).

155850146 is a wasteful number, since it uses less digits than its factorization.

155850146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3905.

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 155850146 is about 12483.9955943600. The cubic root of 155850146 is about 538.1488350580.

The spelling of 155850146 in words is "one hundred fifty-five million, eight hundred fifty thousand, one hundred forty-six".