145564579 has 2 divisors, whose sum is σ = 145564580. Its totient is φ = 145564578.

The previous prime is 145564577. The next prime is 145564603. The reversal of 145564579 is 975465541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145564579 - 2¹ = 145564577 is a prime.

Together with 145564577, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145564571) 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, 72782289 + 72782290.

It is an arithmetic number, because the mean of its divisors is an integer number (72782290).

Almost surely, 2^145564579 is an apocalyptic number.

145564579 is a deficient number, since it is larger than the sum of its proper divisors (1).

145564579 is an equidigital number, since it uses as much as digits as its factorization.

145564579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756000, while the sum is 46.

The square root of 145564579 is about 12065.0146705257. The cubic root of 145564579 is about 526.0397583040.

The spelling of 145564579 in words is "one hundred forty-five million, five hundred sixty-four thousand, five hundred seventy-nine".