146611447 has 2 divisors, whose sum is σ = 146611448. Its totient is φ = 146611446.

The previous prime is 146611433. The next prime is 146611457. The reversal of 146611447 is 744116641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146611447 - 2⁷ = 146611319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146611457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73305723 + 73305724.

It is an arithmetic number, because the mean of its divisors is an integer number (73305724).

Almost surely, 2^146611447 is an apocalyptic number.

146611447 is a deficient number, since it is larger than the sum of its proper divisors (1).

146611447 is an equidigital number, since it uses as much as digits as its factorization.

146611447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 34.

The square root of 146611447 is about 12108.3213948094. The cubic root of 146611447 is about 527.2978008083.

The spelling of 146611447 in words is "one hundred forty-six million, six hundred eleven thousand, four hundred forty-seven".