155944806 has 16 divisors (see below), whose sum is σ = 313475184. Its totient is φ = 51717344.

The previous prime is 155944793. The next prime is 155944813. The reversal of 155944806 is 608449551.

155944806 is digitally balanced in base 2, 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 (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64785 + ... + 67148.

It is an arithmetic number, because the mean of its divisors is an integer number (19592199).

Almost surely, 2^155944806 is an apocalyptic number.

155944806 is an abundant number, since it is smaller than the sum of its proper divisors (157530378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155944806 is a wasteful number, since it uses less digits than its factorization.

155944806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132135.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 155944806 is about 12487.7862729949. The cubic root of 155944806 is about 538.2577663188.

The spelling of 155944806 in words is "one hundred fifty-five million, nine hundred forty-four thousand, eight hundred six".