245402434342405 has 8 divisors (see below), whose sum is σ = 294485719275000. Its totient is φ = 196320082097856.

The previous prime is 245402434342379. The next prime is 245402434342447. The reversal of 245402434342405 is 504243434204542.

It is a happy number.

245402434342405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12853537143489 + 232548897198916 = 3585183^2 + 15249554^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245402434342405 - 2³⁹ = 244852678528517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232593030 + ... + 233645719.

It is an arithmetic number, because the mean of its divisors is an integer number (36810714909375).

Almost surely, 2^{245402434342405} is an apocalyptic number.

It is an amenable number.

245402434342405 is a deficient number, since it is larger than the sum of its proper divisors (49083284932595).

245402434342405 is a wasteful number, since it uses less digits than its factorization.

245402434342405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466344023.

The product of its (nonzero) digits is 7372800, while the sum is 46.

Adding to 245402434342405 its reverse (504243434204542), we get a palindrome (749645868546947).

The spelling of 245402434342405 in words is "two hundred forty-five trillion, four hundred two billion, four hundred thirty-four million, three hundred forty-two thousand, four hundred five".