245155523305 has 192 divisors, whose sum is σ = 389000102400. Its totient is φ = 148091328000.

The previous prime is 245155523281. The next prime is 245155523321. The reversal of 245155523305 is 503325551542.

It is not a de Polignac number, because 245155523305 - 2⁵ = 245155523273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1354450315 + ... + 1354450495.

It is an arithmetic number, because the mean of its divisors is an integer number (2026042200).

Almost surely, 2^245155523305 is an apocalyptic number.

It is an amenable number.

245155523305 is a deficient number, since it is larger than the sum of its proper divisors (143844579095).

245155523305 is a wasteful number, since it uses less digits than its factorization.

245155523305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 40.

The spelling of 245155523305 in words is "two hundred forty-five billion, one hundred fifty-five million, five hundred twenty-three thousand, three hundred five".