115144445 has 8 divisors (see below), whose sum is σ = 148802136. Its totient is φ = 85029696.

The previous prime is 115144409. The next prime is 115144483. The reversal of 115144445 is 544441511.

It can be written as a sum of positive squares in 4 ways, for example, as 1359556 + 113784889 = 1166^2 + 10667^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115144445 - 2⁸ = 115144189 is a prime.

It is a Duffinian number.

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, 885662 + ... + 885791.

It is an arithmetic number, because the mean of its divisors is an integer number (18600267).

Almost surely, 2^115144445 is an apocalyptic number.

It is an amenable number.

115144445 is a deficient number, since it is larger than the sum of its proper divisors (33657691).

115144445 is a wasteful number, since it uses less digits than its factorization.

115144445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771471.

The product of its digits is 6400, while the sum is 29.

The square root of 115144445 is about 10730.5379641470. The cubic root of 115144445 is about 486.4979302331.

Adding to 115144445 its reverse (544441511), we get a palindrome (659585956).

The spelling of 115144445 in words is "one hundred fifteen million, one hundred forty-four thousand, four hundred forty-five".