245442012 has 12 divisors (see below), whose sum is σ = 572698056. Its totient is φ = 81814000.

The previous prime is 245442011. The next prime is 245442077. The reversal of 245442012 is 210244542.

It is a happy number.

245442012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245442011) 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, 10226739 + ... + 10226762.

It is an arithmetic number, because the mean of its divisors is an integer number (47724838).

Almost surely, 2^245442012 is an apocalyptic number.

It is an amenable number.

245442012 is an abundant number, since it is smaller than the sum of its proper divisors (327256044).

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

245442012 is a wasteful number, since it uses less digits than its factorization.

245442012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20453508 (or 20453506 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 245442012 is about 15666.5890352687. The cubic root of 245442012 is about 626.1085495329.

Adding to 245442012 its reverse (210244542), we get a palindrome (455686554).

The spelling of 245442012 in words is "two hundred forty-five million, four hundred forty-two thousand, twelve".