110545421 has 6 divisors (see below), whose sum is σ = 128593710. Its totient is φ = 94753176.

The previous prime is 110545403. The next prime is 110545447. The reversal of 110545421 is 124545011.

It can be written as a sum of positive squares in only one way, i.e., 110544196 + 1225 = 10514^2 + 35^2 .

It is a de Polignac number, because none of the positive numbers 2^k-110545421 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110545451) 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 5 ways as a sum of consecutive naturals, for example, 1127966 + ... + 1128063.

It is an arithmetic number, because the mean of its divisors is an integer number (21432285).

Almost surely, 2^110545421 is an apocalyptic number.

It is an amenable number.

110545421 is a deficient number, since it is larger than the sum of its proper divisors (18048289).

110545421 is an equidigital number, since it uses as much as digits as its factorization.

110545421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256043 (or 2256036 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 110545421 is about 10514.0582554977. The cubic root of 110545421 is about 479.9326019374.

The spelling of 110545421 in words is "one hundred ten million, five hundred forty-five thousand, four hundred twenty-one".