146564897 has 2 divisors, whose sum is σ = 146564898. Its totient is φ = 146564896.

The previous prime is 146564849. The next prime is 146564911. The reversal of 146564897 is 798465641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146506816 + 58081 = 12104^2 + 241^2 .

It is a cyclic number.

It is not a de Polignac number, because 146564897 - 2¹⁰ = 146563873 is a prime.

It is not a weakly prime, because it can be changed into another prime (146564827) 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, 73282448 + 73282449.

It is an arithmetic number, because the mean of its divisors is an integer number (73282449).

Almost surely, 2^146564897 is an apocalyptic number.

It is an amenable number.

146564897 is a deficient number, since it is larger than the sum of its proper divisors (1).

146564897 is an equidigital number, since it uses as much as digits as its factorization.

146564897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 50.

The square root of 146564897 is about 12106.3990104407. The cubic root of 146564897 is about 527.2419881794.

The spelling of 146564897 in words is "one hundred forty-six million, five hundred sixty-four thousand, eight hundred ninety-seven".