1155152 has 40 divisors (see below), whose sum is σ = 2422464. Its totient is φ = 532224.

The previous prime is 1155151. The next prime is 1155169. The reversal of 1155152 is 2515511.

It is a happy number.

1155152 is nontrivially palindromic in base 9.

It is a super-2 number, since 2×1155152² = 2668752286208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15788 + ... + 15860.

2^1155152 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 1155152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1211232).

1155152 is an abundant number, since it is smaller than the sum of its proper divisors (1267312).

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

1155152 is a wasteful number, since it uses less digits than its factorization.

1155152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 141 counting only the distinct ones).

The product of its digits is 250, while the sum is 20.

The square root of 1155152 is about 1074.7799774838. The cubic root of 1155152 is about 104.9251772308.

The spelling of 1155152 in words is "one million, one hundred fifty-five thousand, one hundred fifty-two".