245342315402505 has 48 divisors (see below), whose sum is σ = 444183121112640. Its totient is φ = 129907873389888.

The previous prime is 245342315402497. The next prime is 245342315402533. The reversal of 245342315402505 is 505204513243542.

245342315402505 is a `hidden beast` number, since 2 + 4 + 5 + 3 + 4 + 231 + 5 + 402 + 5 + 0 + 5 = 666.

It is not a de Polignac number, because 245342315402505 - 2³ = 245342315402497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 726190222 + ... + 726527991.

It is an arithmetic number, because the mean of its divisors is an integer number (9253815023180).

Almost surely, 2^{245342315402505} is an apocalyptic number.

It is an amenable number.

245342315402505 is a deficient number, since it is larger than the sum of its proper divisors (198840805710135).

245342315402505 is a wasteful number, since it uses less digits than its factorization.

245342315402505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452718372 (or 1452718360 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 45.

The spelling of 245342315402505 in words is "two hundred forty-five trillion, three hundred forty-two billion, three hundred fifteen million, four hundred two thousand, five hundred five".