115641447 has 8 divisors (see below), whose sum is σ = 160892544. Its totient is φ = 73742328.

The previous prime is 115641437. The next prime is 115641469. The reversal of 115641447 is 744146511.

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

It is a de Polignac number, because none of the positive numbers 2^k-115641447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115641437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 837913 + ... + 838050.

It is an arithmetic number, because the mean of its divisors is an integer number (20111568).

Almost surely, 2^115641447 is an apocalyptic number.

115641447 is a deficient number, since it is larger than the sum of its proper divisors (45251097).

115641447 is a wasteful number, since it uses less digits than its factorization.

115641447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675989.

The product of its digits is 13440, while the sum is 33.

The square root of 115641447 is about 10753.6713265749. The cubic root of 115641447 is about 487.1968882340.

Adding to 115641447 its reverse (744146511), we get a palindrome (859787958).

The spelling of 115641447 in words is "one hundred fifteen million, six hundred forty-one thousand, four hundred forty-seven".