245342002605 has 48 divisors (see below), whose sum is σ = 456858823104. Its totient is φ = 112101749760.

The previous prime is 245342002589. The next prime is 245342002637. The reversal of 245342002605 is 506200243542.

It is a happy number.

It is not a de Polignac number, because 245342002605 - 2⁴ = 245342002589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1449334 + ... + 1609736.

It is an arithmetic number, because the mean of its divisors is an integer number (9517892148).

Almost surely, 2^245342002605 is an apocalyptic number.

It is an amenable number.

245342002605 is a deficient number, since it is larger than the sum of its proper divisors (211516820499).

245342002605 is a wasteful number, since it uses less digits than its factorization.

245342002605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162506 (or 162499 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 245342002605 in words is "two hundred forty-five billion, three hundred forty-two million, two thousand, six hundred five".