155244112 has 40 divisors (see below), whose sum is σ = 315979776. Its totient is φ = 73746816.

The previous prime is 155244101. The next prime is 155244137. The reversal of 155244112 is 211442551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56433 + ... + 59119.

Almost surely, 2^155244112 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 155244112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157989888).

155244112 is an abundant number, since it is smaller than the sum of its proper divisors (160735664).

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

155244112 is a wasteful number, since it uses less digits than its factorization.

155244112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875 (or 2869 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 155244112 is about 12459.6995148358. The cubic root of 155244112 is about 537.4503860461.

Adding to 155244112 its reverse (211442551), we get a palindrome (366686663).

The spelling of 155244112 in words is "one hundred fifty-five million, two hundred forty-four thousand, one hundred twelve".