245111112 has 24 divisors (see below), whose sum is σ = 663842790. Its totient is φ = 81703680.

The previous prime is 245111101. The next prime is 245111123. The reversal of 245111112 is 211111542.

It is an interprime number because it is at equal distance from previous prime (245111101) and next prime (245111123).

It can be written as a sum of positive squares in only one way, i.e., 200675556 + 44435556 = 14166^2 + 6666^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1702089 + ... + 1702232.

Almost surely, 2^245111112 is an apocalyptic number.

It is an amenable number.

245111112 is an abundant number, since it is smaller than the sum of its proper divisors (418731678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245111112 is a wasteful number, since it uses less digits than its factorization.

245111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404333 (or 3404326 counting only the distinct ones).

The product of its digits is 80, while the sum is 18.

The square root of 245111112 is about 15656.0247828112. The cubic root of 245111112 is about 625.8270539946.

Adding to 245111112 its reverse (211111542), we get a palindrome (456222654).

The spelling of 245111112 in words is "two hundred forty-five million, one hundred eleven thousand, one hundred twelve".