110145021 has 16 divisors (see below), whose sum is σ = 168000000. Its totient is φ = 62880048.

The previous prime is 110144977. The next prime is 110145029. The reversal of 110145021 is 120541011.

It is a happy number.

It is not a de Polignac number, because 110145021 - 2⁹ = 110144509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110145029) 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, 29730 + ... + 33228.

It is an arithmetic number, because the mean of its divisors is an integer number (10500000).

Almost surely, 2^110145021 is an apocalyptic number.

It is an amenable number.

110145021 is a deficient number, since it is larger than the sum of its proper divisors (57854979).

110145021 is a wasteful number, since it uses less digits than its factorization.

110145021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5008.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 110145021 is about 10494.9998094331. Note that the first 3 decimals coincide. The cubic root of 110145021 is about 479.3524558162.

Adding to 110145021 its reverse (120541011), we get a palindrome (230686032).

The spelling of 110145021 in words is "one hundred ten million, one hundred forty-five thousand, twenty-one".