245420403453044 has 12 divisors (see below), whose sum is σ = 429489214537824. Its totient is φ = 122709199299384.

The previous prime is 245420403452981. The next prime is 245420403453059. The reversal of 245420403453044 is 440354304024542.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 245420403452986 and 245420403453004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250055792 + ... + 251035335.

It is an arithmetic number, because the mean of its divisors is an integer number (35790767878152).

Almost surely, 2^{245420403453044} is an apocalyptic number.

It is an amenable number.

245420403453044 is a deficient number, since it is larger than the sum of its proper divisors (184068811084780).

245420403453044 is a wasteful number, since it uses less digits than its factorization.

245420403453044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501213574 (or 501213572 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 44.

Adding to 245420403453044 its reverse (440354304024542), we get a palindrome (685774707477586).

The spelling of 245420403453044 in words is "two hundred forty-five trillion, four hundred twenty billion, four hundred three million, four hundred fifty-three thousand, forty-four".