115144100 has 18 divisors (see below), whose sum is σ = 249862914. Its totient is φ = 46057600.

The previous prime is 115144097. The next prime is 115144103. The reversal of 115144100 is 1441511.

It is an interprime number because it is at equal distance from previous prime (115144097) and next prime (115144103).

It can be written as a sum of positive squares in 3 ways, for example, as 22676644 + 92467456 = 4762^2 + 9616^2 .

It is not an unprimeable number, because it can be changed into a prime (115144103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 575621 + ... + 575820.

It is an arithmetic number, because the mean of its divisors is an integer number (13881273).

Almost surely, 2^115144100 is an apocalyptic number.

115144100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115144100 is an abundant number, since it is smaller than the sum of its proper divisors (134718814).

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

115144100 is a wasteful number, since it uses less digits than its factorization.

115144100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151455 (or 1151448 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 115144100 is about 10730.5218885197. The cubic root of 115144100 is about 486.4974443450.

Adding to 115144100 its reverse (1441511), we get a palindrome (116585611).

The spelling of 115144100 in words is "one hundred fifteen million, one hundred forty-four thousand, one hundred".