145023205563 has 12 divisors (see below), whose sum is σ = 209781124488. Its totient is φ = 96542216640.

The previous prime is 145023205517. The next prime is 145023205667. The reversal of 145023205563 is 365502320541.

145023205563 is a `hidden beast` number, since 1 + 4 + 50 + 23 + 20 + 5 + 563 = 666.

It is not a de Polignac number, because 145023205563 - 2¹⁰ = 145023204539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145023205513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11653470 + ... + 11665907.

It is an arithmetic number, because the mean of its divisors is an integer number (17481760374).

Almost surely, 2^145023205563 is an apocalyptic number.

145023205563 is a deficient number, since it is larger than the sum of its proper divisors (64757918925).

145023205563 is a wasteful number, since it uses less digits than its factorization.

145023205563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23320074 (or 23320071 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 145023205563 in words is "one hundred forty-five billion, twenty-three million, two hundred five thousand, five hundred sixty-three".