113166545 has 16 divisors (see below), whose sum is σ = 138516480. Its totient is φ = 88737600.

The previous prime is 113166541. The next prime is 113166563. The reversal of 113166545 is 545661311.

It is not a de Polignac number, because 113166545 - 2² = 113166541 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113166541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66971 + ... + 68639.

It is an arithmetic number, because the mean of its divisors is an integer number (8657280).

Almost surely, 2^113166545 is an apocalyptic number.

It is an amenable number.

113166545 is a deficient number, since it is larger than the sum of its proper divisors (25349935).

113166545 is a wasteful number, since it uses less digits than its factorization.

113166545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936.

The product of its digits is 10800, while the sum is 32.

The square root of 113166545 is about 10637.9765463174. The cubic root of 113166545 is about 483.6962113051.

It can be divided in two parts, 1131 and 66545, that added together give a palindrome (67676).

The spelling of 113166545 in words is "one hundred thirteen million, one hundred sixty-six thousand, five hundred forty-five".