155113104 has 80 divisors (see below), whose sum is σ = 422294400. Its totient is φ = 48964608.

The previous prime is 155113099. The next prime is 155113109. The reversal of 155113104 is 401311551.

It is a happy number.

155113104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (155113099) and next prime (155113109).

It is not an unprimeable number, because it can be changed into a prime (155113109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119692 + ... + 120980.

It is an arithmetic number, because the mean of its divisors is an integer number (5278680).

Almost surely, 2^155113104 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 155113104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211147200).

155113104 is an abundant number, since it is smaller than the sum of its proper divisors (267181296).

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

155113104 is a wasteful number, since it uses less digits than its factorization.

155113104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432 (or 1426 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 155113104 is about 12454.4411355950. The cubic root of 155113104 is about 537.2991615979.

Adding to 155113104 its reverse (401311551), we get a palindrome (556424655).

The spelling of 155113104 in words is "one hundred fifty-five million, one hundred thirteen thousand, one hundred four".