155000112 has 20 divisors (see below), whose sum is σ = 400417080. Its totient is φ = 51666688.

The previous prime is 155000107. The next prime is 155000137. The reversal of 155000112 is 211000551.

It is a junction number, because it is equal to n+sod(n) for n = 155000091 and 155000100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1614537 + ... + 1614632.

It is an arithmetic number, because the mean of its divisors is an integer number (20020854).

Almost surely, 2^155000112 is an apocalyptic number.

155000112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155000112 is an abundant number, since it is smaller than the sum of its proper divisors (245416968).

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

155000112 is a wasteful number, since it uses less digits than its factorization.

155000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3229180 (or 3229174 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 155000112 is about 12449.9040960162. The cubic root of 155000112 is about 537.1686648770.

Adding to 155000112 its reverse (211000551), we get a palindrome (366000663).

The spelling of 155000112 in words is "one hundred fifty-five million, one hundred twelve", and thus it is an aban number.