155214112 has 48 divisors (see below), whose sum is σ = 315577080. Its totient is φ = 75091968.

The previous prime is 155214107. The next prime is 155214167. The reversal of 155214112 is 211412551.

It can be written as a sum of positive squares in 4 ways, for example, as 128958736 + 26255376 = 11356^2 + 5124^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398814 + ... + 399202.

Almost surely, 2^155214112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155214112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157788540).

155214112 is an abundant number, since it is smaller than the sum of its proper divisors (160362968).

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

155214112 is a wasteful number, since it uses less digits than its factorization.

155214112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773 (or 765 counting only the distinct ones).

The product of its digits is 400, while the sum is 22.

The square root of 155214112 is about 12458.4955753092. The cubic root of 155214112 is about 537.4157641205.

Adding to 155214112 its reverse (211412551), we get a palindrome (366626663).

The spelling of 155214112 in words is "one hundred fifty-five million, two hundred fourteen thousand, one hundred twelve".