145265563 has 2 divisors, whose sum is σ = 145265564. Its totient is φ = 145265562.

The previous prime is 145265543. The next prime is 145265609. The reversal of 145265563 is 365562541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145265563 - 2⁵ = 145265531 is a prime.

It is a super-2 number, since 2×145265563² = 42204167587413938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145265513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72632781 + 72632782.

It is an arithmetic number, because the mean of its divisors is an integer number (72632782).

Almost surely, 2^145265563 is an apocalyptic number.

145265563 is a deficient number, since it is larger than the sum of its proper divisors (1).

145265563 is an equidigital number, since it uses as much as digits as its factorization.

145265563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108000, while the sum is 37.

The square root of 145265563 is about 12052.6164379358. The cubic root of 145265563 is about 525.6793177532.

The spelling of 145265563 in words is "one hundred forty-five million, two hundred sixty-five thousand, five hundred sixty-three".