155814806 has 48 divisors (see below), whose sum is σ = 280344240. Its totient is φ = 64733760.

The previous prime is 155814751. The next prime is 155814817. The reversal of 155814806 is 608418551.

It is a self number, because there is not a number n which added to its sum of digits gives 155814806.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 680300 + ... + 680528.

It is an arithmetic number, because the mean of its divisors is an integer number (5840505).

Almost surely, 2^155814806 is an apocalyptic number.

155814806 is a deficient number, since it is larger than the sum of its proper divisors (124529434).

155814806 is a wasteful number, since it uses less digits than its factorization.

155814806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 155814806 is about 12482.5801018860. The cubic root of 155814806 is about 538.1081557730.

The spelling of 155814806 in words is "one hundred fifty-five million, eight hundred fourteen thousand, eight hundred six".