115454545 has 8 divisors (see below), whose sum is σ = 145837440. Its totient is φ = 87502320.

The previous prime is 115454543. The next prime is 115454569. The reversal of 115454545 is 545454511.

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

It is not a de Polignac number, because 115454545 - 2¹ = 115454543 is a prime.

It is a super-2 number, since 2×115454545² = 26659503922314050, which contains 22 as substring.

115454545 is a modest number, since divided by 454545 gives 115 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 115454545.

It is not an unprimeable number, because it can be changed into a prime (115454543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607561 + ... + 607750.

It is an arithmetic number, because the mean of its divisors is an integer number (18229680).

Almost surely, 2^115454545 is an apocalyptic number.

It is an amenable number.

115454545 is a deficient number, since it is larger than the sum of its proper divisors (30382895).

115454545 is a wasteful number, since it uses less digits than its factorization.

115454545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215335.

The product of its digits is 40000, while the sum is 34.

The square root of 115454545 is about 10744.9776640066. The cubic root of 115454545 is about 486.9342742783.

Subtracting from 115454545 its sum of digits (34), we obtain a palindrome (115454511).

It can be divided in two parts, 11 and 5454545, that multiplied together give a palindrome (59999995).

The spelling of 115454545 in words is "one hundred fifteen million, four hundred fifty-four thousand, five hundred forty-five".