146744573 has 2 divisors, whose sum is σ = 146744574. Its totient is φ = 146744572.

The previous prime is 146744569. The next prime is 146744597. The reversal of 146744573 is 375447641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120714169 + 26030404 = 10987^2 + 5102^2 .

It is a cyclic number.

It is not a de Polignac number, because 146744573 - 2² = 146744569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146744573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146744513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73372286 + 73372287.

It is an arithmetic number, because the mean of its divisors is an integer number (73372287).

Almost surely, 2^146744573 is an apocalyptic number.

It is an amenable number.

146744573 is a deficient number, since it is larger than the sum of its proper divisors (1).

146744573 is an equidigital number, since it uses as much as digits as its factorization.

146744573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 41.

The square root of 146744573 is about 12113.8174412528. The cubic root of 146744573 is about 527.4573513583.

The spelling of 146744573 in words is "one hundred forty-six million, seven hundred forty-four thousand, five hundred seventy-three".