155265216 has 56 divisors (see below), whose sum is σ = 434980080. Its totient is φ = 48709632.

The previous prime is 155265193. The next prime is 155265223. The reversal of 155265216 is 612562551.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20521 + ... + 27048.

Almost surely, 2^155265216 is an apocalyptic number.

155265216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155265216 is an abundant number, since it is smaller than the sum of its proper divisors (279714864).

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

155265216 is a wasteful number, since it uses less digits than its factorization.

155265216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47601 (or 47591 counting only the distinct ones).

The product of its digits is 18000, while the sum is 33.

The square root of 155265216 is about 12460.5463764636. The cubic root of 155265216 is about 537.4747387443.

The spelling of 155265216 in words is "one hundred fifty-five million, two hundred sixty-five thousand, two hundred sixteen".