155847646 has 16 divisors (see below), whose sum is σ = 237333600. Its totient is φ = 76744800.

The previous prime is 155847641. The next prime is 155847647. The reversal of 155847646 is 646748551.

155847646 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 155847596 and 155847605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155847641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38260 + ... + 42136.

It is an arithmetic number, because the mean of its divisors is an integer number (14833350).

Almost surely, 2^155847646 is an apocalyptic number.

155847646 is a deficient number, since it is larger than the sum of its proper divisors (81485954).

155847646 is a wasteful number, since it uses less digits than its factorization.

155847646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179.

The product of its digits is 806400, while the sum is 46.

The square root of 155847646 is about 12483.8954657591. The cubic root of 155847646 is about 538.1459575518.

The spelling of 155847646 in words is "one hundred fifty-five million, eight hundred forty-seven thousand, six hundred forty-six".