115501444 has 6 divisors (see below), whose sum is σ = 202127534. Its totient is φ = 57750720.

The previous prime is 115501433. The next prime is 115501541. The reversal of 115501444 is 444105511.

It can be written as a sum of positive squares in only one way, i.e., 78535044 + 36966400 = 8862^2 + 6080^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14437677 + ... + 14437684.

Almost surely, 2^115501444 is an apocalyptic number.

It is an amenable number.

115501444 is a deficient number, since it is larger than the sum of its proper divisors (86626090).

115501444 is a wasteful number, since it uses less digits than its factorization.

115501444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28875365 (or 28875363 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 115501444 is about 10747.1598108524. The cubic root of 115501444 is about 487.0001981708. Note that the first 3 decimals are identical.

Adding to 115501444 its reverse (444105511), we get a palindrome (559606955).

It can be divided in two parts, 11550 and 1444, that multiplied together give a triangular number (16678200 = T₅₇₇₅).

The spelling of 115501444 in words is "one hundred fifteen million, five hundred one thousand, four hundred forty-four".