115413545 has 24 divisors (see below), whose sum is σ = 153408024. Its totient is φ = 82861056.

The previous prime is 115413497. The next prime is 115413559. The reversal of 115413545 is 545314511.

It can be written as a sum of positive squares in 12 ways, for example, as 2968729 + 112444816 = 1723^2 + 10604^2 .

It is not a de Polignac number, because 115413545 - 2¹² = 115409449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88337 + ... + 89633.

It is an arithmetic number, because the mean of its divisors is an integer number (6392001).

Almost surely, 2^115413545 is an apocalyptic number.

It is an amenable number.

115413545 is a deficient number, since it is larger than the sum of its proper divisors (37994479).

115413545 is a wasteful number, since it uses less digits than its factorization.

115413545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389 (or 1352 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 115413545 is about 10743.0696265081. The cubic root of 115413545 is about 486.8766277274.

The spelling of 115413545 in words is "one hundred fifteen million, four hundred thirteen thousand, five hundred forty-five".