110997545 has 4 divisors (see below), whose sum is σ = 133197060. Its totient is φ = 88798032.

The previous prime is 110997541. The next prime is 110997553. The reversal of 110997545 is 545799011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60715264 + 50282281 = 7792^2 + 7091^2 .

It is a cyclic number.

It is not a de Polignac number, because 110997545 - 2² = 110997541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (110997541) 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 3 ways as a sum of consecutive naturals, for example, 11099750 + ... + 11099759.

It is an arithmetic number, because the mean of its divisors is an integer number (33299265).

Almost surely, 2^110997545 is an apocalyptic number.

It is an amenable number.

110997545 is a deficient number, since it is larger than the sum of its proper divisors (22199515).

110997545 is an equidigital number, since it uses as much as digits as its factorization.

110997545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22199514.

The product of its (nonzero) digits is 56700, while the sum is 41.

The square root of 110997545 is about 10535.5372430645. The cubic root of 110997545 is about 480.5860102593.

The spelling of 110997545 in words is "one hundred ten million, nine hundred ninety-seven thousand, five hundred forty-five".