155604806 has 16 divisors (see below), whose sum is σ = 266989824. Its totient is φ = 66628104.

The previous prime is 155604793. The next prime is 155604809. The reversal of 155604806 is 608406551.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155604809) 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 7 ways as a sum of consecutive naturals, for example, 13631 + ... + 22293.

It is an arithmetic number, because the mean of its divisors is an integer number (16686864).

Almost surely, 2^155604806 is an apocalyptic number.

155604806 is a deficient number, since it is larger than the sum of its proper divisors (111385018).

155604806 is a wasteful number, since it uses less digits than its factorization.

155604806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9955.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 155604806 is about 12474.1655432337. The cubic root of 155604806 is about 537.8663013129.

The spelling of 155604806 in words is "one hundred fifty-five million, six hundred four thousand, eight hundred six".