155312196 has 24 divisors (see below), whose sum is σ = 390272064. Its totient is φ = 47788320.

The previous prime is 155312191. The next prime is 155312203. The reversal of 155312196 is 691213551.

It is not an unprimeable number, because it can be changed into a prime (155312191) 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, 497640 + ... + 497951.

It is an arithmetic number, because the mean of its divisors is an integer number (16261336).

Almost surely, 2^155312196 is an apocalyptic number.

It is an amenable number.

155312196 is an abundant number, since it is smaller than the sum of its proper divisors (234959868).

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

155312196 is a wasteful number, since it uses less digits than its factorization.

155312196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995611 (or 995609 counting only the distinct ones).

The product of its digits is 8100, while the sum is 33.

The square root of 155312196 is about 12462.4313839636. The cubic root of 155312196 is about 537.5289428078.

The spelling of 155312196 in words is "one hundred fifty-five million, three hundred twelve thousand, one hundred ninety-six".