115641045 has 24 divisors (see below), whose sum is σ = 215864376. Its totient is φ = 56930688.

The previous prime is 115641017. The next prime is 115641059. The reversal of 115641045 is 540146511.

115641045 is a `hidden beast` number, since 1 + 15 + 641 + 0 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1962801 + 113678244 = 1401^2 + 10662^2 .

It is not a de Polignac number, because 115641045 - 2⁵ = 115641013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98254 + ... + 99423.

It is an arithmetic number, because the mean of its divisors is an integer number (8994349).

Almost surely, 2^115641045 is an apocalyptic number.

115641045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115641045 is a deficient number, since it is larger than the sum of its proper divisors (100223331).

115641045 is a wasteful number, since it uses less digits than its factorization.

115641045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197701 (or 197698 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 115641045 is about 10753.6526352677. The cubic root of 115641045 is about 487.1963236920.

Adding to 115641045 its reverse (540146511), we get a palindrome (655787556).

The spelling of 115641045 in words is "one hundred fifteen million, six hundred forty-one thousand, forty-five".