145573375547 has 2 divisors, whose sum is σ = 145573375548. Its totient is φ = 145573375546.

The previous prime is 145573375513. The next prime is 145573375567. The reversal of 145573375547 is 745573375541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145573375547 - 2⁶ = 145573375483 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145573375492 and 145573375501.

It is not a weakly prime, because it can be changed into another prime (145573375567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72786687773 + 72786687774.

It is an arithmetic number, because the mean of its divisors is an integer number (72786687774).

Almost surely, 2^145573375547 is an apocalyptic number.

145573375547 is a deficient number, since it is larger than the sum of its proper divisors (1).

145573375547 is an equidigital number, since it uses as much as digits as its factorization.

145573375547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30870000, while the sum is 56.

The spelling of 145573375547 in words is "one hundred forty-five billion, five hundred seventy-three million, three hundred seventy-five thousand, five hundred forty-seven".