146623241 has 2 divisors, whose sum is σ = 146623242. Its totient is φ = 146623240.

The previous prime is 146623223. The next prime is 146623261. The reversal of 146623241 is 142326641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129846025 + 16777216 = 11395^2 + 4096^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146623241 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146623261) 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, 73311620 + 73311621.

It is an arithmetic number, because the mean of its divisors is an integer number (73311621).

Almost surely, 2^146623241 is an apocalyptic number.

It is an amenable number.

146623241 is a deficient number, since it is larger than the sum of its proper divisors (1).

146623241 is an equidigital number, since it uses as much as digits as its factorization.

146623241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 29.

The square root of 146623241 is about 12108.8084054543. The cubic root of 146623241 is about 527.3119397305.

Adding to 146623241 its reverse (142326641), we get a palindrome (288949882).

The spelling of 146623241 in words is "one hundred forty-six million, six hundred twenty-three thousand, two hundred forty-one".