155869196 has 18 divisors (see below), whose sum is σ = 317305548. Its totient is φ = 66801000.

The previous prime is 155869193. The next prime is 155869201. The reversal of 155869196 is 691968551.

It is not an unprimeable number, because it can be changed into a prime (155869193) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 397430 + ... + 397821.

It is an arithmetic number, because the mean of its divisors is an integer number (17628086).

Almost surely, 2^155869196 is an apocalyptic number.

It is an amenable number.

155869196 is an abundant number, since it is smaller than the sum of its proper divisors (161436352).

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

155869196 is a wasteful number, since it uses less digits than its factorization.

155869196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795269 (or 795260 counting only the distinct ones).

The product of its digits is 583200, while the sum is 50.

The square root of 155869196 is about 12484.7585479255. The cubic root of 155869196 is about 538.1707606446.

The spelling of 155869196 in words is "one hundred fifty-five million, eight hundred sixty-nine thousand, one hundred ninety-six".