245023111 has 4 divisors (see below), whose sum is σ = 245276424. Its totient is φ = 244769800.

The previous prime is 245023063. The next prime is 245023151. The reversal of 245023111 is 111320542.

245023111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111320542 = 2 ⋅55660271.

It is a cyclic number.

It is not a de Polignac number, because 245023111 - 2⁷ = 245022983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245023151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125200 + ... + 127141.

It is an arithmetic number, because the mean of its divisors is an integer number (61319106).

Almost surely, 2^245023111 is an apocalyptic number.

245023111 is a deficient number, since it is larger than the sum of its proper divisors (253313).

245023111 is an equidigital number, since it uses as much as digits as its factorization.

245023111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253312.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 245023111 is about 15653.2140789041. The cubic root of 245023111 is about 625.7521491914.

Adding to 245023111 its reverse (111320542), we get a palindrome (356343653).

The spelling of 245023111 in words is "two hundred forty-five million, twenty-three thousand, one hundred eleven".