115452144 has 120 divisors (see below), whose sum is σ = 334264320. Its totient is φ = 37183104.

The previous prime is 115452143. The next prime is 115452209. The reversal of 115452144 is 441254511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115452143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 909009 + ... + 909135.

It is an arithmetic number, because the mean of its divisors is an integer number (2785536).

Almost surely, 2^115452144 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 115452144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167132160).

115452144 is an abundant number, since it is smaller than the sum of its proper divisors (218812176).

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

115452144 is a wasteful number, since it uses less digits than its factorization.

115452144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 298 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 115452144 is about 10744.8659368091. The cubic root of 115452144 is about 486.9308988163.

It can be divided in two parts, 11545 and 2144, that added together give a square (13689 = 117²).

The spelling of 115452144 in words is "one hundred fifteen million, four hundred fifty-two thousand, one hundred forty-four".