155300112 has 120 divisors (see below), whose sum is σ = 490142240. Its totient is φ = 47044800.

The previous prime is 155300077. The next prime is 155300141. The reversal of 155300112 is 211003551.

155300112 is a `hidden beast` number, since 1 + 553 + 0 + 0 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50787 + ... + 53757.

Almost surely, 2^155300112 is an apocalyptic number.

155300112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155300112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245071120).

155300112 is an abundant number, since it is smaller than the sum of its proper divisors (334842128).

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

155300112 is a wasteful number, since it uses less digits than its factorization.

155300112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010 (or 2987 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 155300112 is about 12461.9465574203. The cubic root of 155300112 is about 537.5150017086.

Adding to 155300112 its reverse (211003551), we get a palindrome (366303663).

The spelling of 155300112 in words is "one hundred fifty-five million, three hundred thousand, one hundred twelve".