155854216 has 16 divisors (see below), whose sum is σ = 333973440. Its totient is φ = 66794640.

The previous prime is 155854199. The next prime is 155854217. The reversal of 155854216 is 612458551.

It is not an unprimeable number, because it can be changed into a prime (155854217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391500 + ... + 1391611.

It is an arithmetic number, because the mean of its divisors is an integer number (20873340).

Almost surely, 2^155854216 is an apocalyptic number.

It is an amenable number.

155854216 is an abundant number, since it is smaller than the sum of its proper divisors (178119224).

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

155854216 is a wasteful number, since it uses less digits than its factorization.

155854216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783124 (or 2783120 counting only the distinct ones).

The product of its digits is 48000, while the sum is 37.

The square root of 155854216 is about 12484.1586020044. The cubic root of 155854216 is about 538.1535195723.

The spelling of 155854216 in words is "one hundred fifty-five million, eight hundred fifty-four thousand, two hundred sixteen".