245543412 has 12 divisors (see below), whose sum is σ = 572934656. Its totient is φ = 81847800.

The previous prime is 245543411. The next prime is 245543491. The reversal of 245543412 is 214345542.

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

It is a self number, because there is not a number n which added to its sum of digits gives 245543412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245543411) 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, 10230964 + ... + 10230987.

Almost surely, 2^245543412 is an apocalyptic number.

It is an amenable number.

245543412 is an abundant number, since it is smaller than the sum of its proper divisors (327391244).

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

245543412 is a wasteful number, since it uses less digits than its factorization.

245543412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20461958 (or 20461956 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 245543412 is about 15669.8248873432. The cubic root of 245543412 is about 626.1947595308.

Adding to 245543412 its reverse (214345542), we get a palindrome (459888954).

It can be divided in two parts, 24554 and 3412, that added together give a triangular number (27966 = T₂₃₆).

The spelling of 245543412 in words is "two hundred forty-five million, five hundred forty-three thousand, four hundred twelve".