155216156 has 12 divisors (see below), whose sum is σ = 271747392. Its totient is φ = 77574048.

The previous prime is 155216129. The next prime is 155216183. The reversal of 155216156 is 651612551.

It is an interprime number because it is at equal distance from previous prime (155216129) and next prime (155216183).

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, 3701 + ... + 18003.

It is an arithmetic number, because the mean of its divisors is an integer number (22645616).

Almost surely, 2^155216156 is an apocalyptic number.

It is an amenable number.

155216156 is a deficient number, since it is larger than the sum of its proper divisors (116531236).

155216156 is a wasteful number, since it uses less digits than its factorization.

155216156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17020 (or 17018 counting only the distinct ones).

The product of its digits is 9000, while the sum is 32.

The square root of 155216156 is about 12458.5776074157. The cubic root of 155216156 is about 537.4181231693.

The spelling of 155216156 in words is "one hundred fifty-five million, two hundred sixteen thousand, one hundred fifty-six".