145206563563 has 2 divisors, whose sum is σ = 145206563564. Its totient is φ = 145206563562.

The previous prime is 145206563533. The next prime is 145206563569. The reversal of 145206563563 is 365365602541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145206563563 - 2³³ = 136616628971 is a prime.

It is a super-2 number, since 2×145206563563² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145206563569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72603281781 + 72603281782.

It is an arithmetic number, because the mean of its divisors is an integer number (72603281782).

Almost surely, 2^145206563563 is an apocalyptic number.

145206563563 is a deficient number, since it is larger than the sum of its proper divisors (1).

145206563563 is an equidigital number, since it uses as much as digits as its factorization.

145206563563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944000, while the sum is 46.

The spelling of 145206563563 in words is "one hundred forty-five billion, two hundred six million, five hundred sixty-three thousand, five hundred sixty-three".