146445433 has 2 divisors, whose sum is σ = 146445434. Its totient is φ = 146445432.

The previous prime is 146445421. The next prime is 146445479. The reversal of 146445433 is 334544641.

146445433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141895744 + 4549689 = 11912^2 + 2133^2 .

It is an emirp because it is prime and its reverse (334544641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146445433 - 2¹³ = 146437241 is a prime.

It is not a weakly prime, because it can be changed into another prime (146445133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73222716 + 73222717.

It is an arithmetic number, because the mean of its divisors is an integer number (73222717).

Almost surely, 2^146445433 is an apocalyptic number.

It is an amenable number.

146445433 is a deficient number, since it is larger than the sum of its proper divisors (1).

146445433 is an equidigital number, since it uses as much as digits as its factorization.

146445433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 34.

The square root of 146445433 is about 12101.4640849775. The cubic root of 146445433 is about 527.0986988489.

The spelling of 146445433 in words is "one hundred forty-six million, four hundred forty-five thousand, four hundred thirty-three".