146444663 has 2 divisors, whose sum is σ = 146444664. Its totient is φ = 146444662.

The previous prime is 146444633. The next prime is 146444677. The reversal of 146444663 is 366444641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146444663 - 2¹⁶ = 146379127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146444603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73222331 + 73222332.

It is an arithmetic number, because the mean of its divisors is an integer number (73222332).

Almost surely, 2^146444663 is an apocalyptic number.

146444663 is a deficient number, since it is larger than the sum of its proper divisors (1).

146444663 is an equidigital number, since it uses as much as digits as its factorization.

146444663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 38.

The square root of 146444663 is about 12101.4322706033. The cubic root of 146444663 is about 527.0977750310.

The spelling of 146444663 in words is "one hundred forty-six million, four hundred forty-four thousand, six hundred sixty-three".