146561333 has 2 divisors, whose sum is σ = 146561334. Its totient is φ = 146561332.

The previous prime is 146561321. The next prime is 146561341. The reversal of 146561333 is 333165641.

146561333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128097124 + 18464209 = 11318^2 + 4297^2 .

It is an emirp because it is prime and its reverse (333165641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146561333 - 2¹⁴ = 146544949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146561333.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146560333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73280666 + 73280667.

It is an arithmetic number, because the mean of its divisors is an integer number (73280667).

Almost surely, 2^146561333 is an apocalyptic number.

It is an amenable number.

146561333 is a deficient number, since it is larger than the sum of its proper divisors (1).

146561333 is an equidigital number, since it uses as much as digits as its factorization.

146561333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 32.

The square root of 146561333 is about 12106.2518146617. The cubic root of 146561333 is about 527.2377145192.

The spelling of 146561333 in words is "one hundred forty-six million, five hundred sixty-one thousand, three hundred thirty-three".