115242445 has 8 divisors (see below), whose sum is σ = 139207680. Its totient is φ = 91582800.

The previous prime is 115242427. The next prime is 115242461. The reversal of 115242445 is 544242511.

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

It is not a de Polignac number, because 115242445 - 2¹¹ = 115240397 is a prime.

It is a super-2 number, since 2×115242445² = 26561642259156050, which contains 22 as substring.

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, 75565 + ... + 77074.

It is an arithmetic number, because the mean of its divisors is an integer number (17400960).

Almost surely, 2^115242445 is an apocalyptic number.

It is an amenable number.

115242445 is a deficient number, since it is larger than the sum of its proper divisors (23965235).

115242445 is a wasteful number, since it uses less digits than its factorization.

115242445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152795.

The product of its digits is 6400, while the sum is 28.

The square root of 115242445 is about 10735.1033995952. The cubic root of 115242445 is about 486.6359113506.

Adding to 115242445 its reverse (544242511), we get a palindrome (659484956).

The spelling of 115242445 in words is "one hundred fifteen million, two hundred forty-two thousand, four hundred forty-five".