146623369 has 2 divisors, whose sum is σ = 146623370. Its totient is φ = 146623368.

The previous prime is 146623349. The next prime is 146623381. The reversal of 146623369 is 963326641.

146623369 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., 111576969 + 35046400 = 10563^2 + 5920^2 .

It is a cyclic number.

It is not a de Polignac number, because 146623369 - 2⁷ = 146623241 is a prime.

It is a super-2 number, since 2×146623369² = 42996824673820322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146623349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73311684 + 73311685.

It is an arithmetic number, because the mean of its divisors is an integer number (73311685).

Almost surely, 2^146623369 is an apocalyptic number.

It is an amenable number.

146623369 is a deficient number, since it is larger than the sum of its proper divisors (1).

146623369 is an equidigital number, since it uses as much as digits as its factorization.

146623369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 40.

The square root of 146623369 is about 12108.8136908617. The cubic root of 146623369 is about 527.3120931757.

The spelling of 146623369 in words is "one hundred forty-six million, six hundred twenty-three thousand, three hundred sixty-nine".