146573210561 has 2 divisors, whose sum is σ = 146573210562. Its totient is φ = 146573210560.

The previous prime is 146573210479. The next prime is 146573210579. The reversal of 146573210561 is 165012375641.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142049841025 + 4523369536 = 376895^2 + 67256^2 .

It is a cyclic number.

It is not a de Polignac number, because 146573210561 - 2¹⁴ = 146573194177 is a prime.

It is not a weakly prime, because it can be changed into another prime (146573210261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73286605280 + 73286605281.

It is an arithmetic number, because the mean of its divisors is an integer number (73286605281).

Almost surely, 2^146573210561 is an apocalyptic number.

It is an amenable number.

146573210561 is a deficient number, since it is larger than the sum of its proper divisors (1).

146573210561 is an equidigital number, since it uses as much as digits as its factorization.

146573210561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 146573210561 in words is "one hundred forty-six billion, five hundred seventy-three million, two hundred ten thousand, five hundred sixty-one".