155456216 has 16 divisors (see below), whose sum is σ = 292618440. Its totient is φ = 77424640.

The previous prime is 155456179. The next prime is 155456221. The reversal of 155456216 is 612654551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35750 + ... + 39861.

Almost surely, 2^155456216 is an apocalyptic number.

It is an amenable number.

155456216 is a deficient number, since it is larger than the sum of its proper divisors (137162224).

155456216 is a wasteful number, since it uses less digits than its factorization.

155456216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75874 (or 75870 counting only the distinct ones).

The product of its digits is 36000, while the sum is 35.

The square root of 155456216 is about 12468.2082112868. The cubic root of 155456216 is about 537.6950405213.

The spelling of 155456216 in words is "one hundred fifty-five million, four hundred fifty-six thousand, two hundred sixteen".