245421324555135 has 16 divisors (see below), whose sum is σ = 395499112955520. Its totient is φ = 129949708540320.

The previous prime is 245421324555107. The next prime is 245421324555151. The reversal of 245421324555135 is 531555423124542.

It is not a de Polignac number, because 245421324555135 - 2²⁰ = 245421323506559 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58854032581 + ... + 58854036750.

It is an arithmetic number, because the mean of its divisors is an integer number (24718694559720).

Almost surely, 2^{245421324555135} is an apocalyptic number.

245421324555135 is a deficient number, since it is larger than the sum of its proper divisors (150077788400385).

245421324555135 is a wasteful number, since it uses less digits than its factorization.

245421324555135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117708069478.

The product of its digits is 14400000, while the sum is 51.

Adding to 245421324555135 its reverse (531555423124542), we get a palindrome (776976747679677).

The spelling of 245421324555135 in words is "two hundred forty-five trillion, four hundred twenty-one billion, three hundred twenty-four million, five hundred fifty-five thousand, one hundred thirty-five".