245323352205541 has 4 divisors (see below), whose sum is σ = 258235107584800. Its totient is φ = 232411596826284.

The previous prime is 245323352205521. The next prime is 245323352205563. The reversal of 245323352205541 is 145502253323542.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 245323352205541 - 2¹⁷ = 245323352074469 is a prime.

It is a super-2 number, since 2×245323352205541² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245323352205491 and 245323352205500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245323352205521) 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, 6455877689601 + ... + 6455877689638.

It is an arithmetic number, because the mean of its divisors is an integer number (64558776896200).

Almost surely, 2^{245323352205541} is an apocalyptic number.

It is an amenable number.

245323352205541 is a deficient number, since it is larger than the sum of its proper divisors (12911755379259).

245323352205541 is a wasteful number, since it uses less digits than its factorization.

245323352205541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12911755379258.

The product of its (nonzero) digits is 4320000, while the sum is 46.

The spelling of 245323352205541 in words is "two hundred forty-five trillion, three hundred twenty-three billion, three hundred fifty-two million, two hundred five thousand, five hundred forty-one".