210112045 has 16 divisors (see below), whose sum is σ = 296214912. Its totient is φ = 141053760.

The previous prime is 210112037. The next prime is 210112081. The reversal of 210112045 is 540211012.

It is not a de Polignac number, because 210112045 - 2³ = 210112037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146217 + ... + 147646.

It is an arithmetic number, because the mean of its divisors is an integer number (18513432).

Almost surely, 2^210112045 is an apocalyptic number.

It is an amenable number.

210112045 is a deficient number, since it is larger than the sum of its proper divisors (86102867).

210112045 is a wasteful number, since it uses less digits than its factorization.

210112045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293892.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 210112045 is about 14495.2421504437. The cubic root of 210112045 is about 594.4978886612.

Adding to 210112045 its reverse (540211012), we get a palindrome (750323057).

The spelling of 210112045 in words is "two hundred ten million, one hundred twelve thousand, forty-five".