146799019 has 2 divisors, whose sum is σ = 146799020. Its totient is φ = 146799018.

The previous prime is 146799013. The next prime is 146799047. The reversal of 146799019 is 910997641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146799019 - 2³ = 146799011 is a prime.

It is a super-2 number, since 2×146799019² = 43099903958724722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 146799019.

It is not a weakly prime, because it can be changed into another prime (146799011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73399509 + 73399510.

It is an arithmetic number, because the mean of its divisors is an integer number (73399510).

Almost surely, 2^146799019 is an apocalyptic number.

146799019 is a deficient number, since it is larger than the sum of its proper divisors (1).

146799019 is an equidigital number, since it uses as much as digits as its factorization.

146799019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 146799019 is about 12116.0645013139. The cubic root of 146799019 is about 527.5225766937.

The spelling of 146799019 in words is "one hundred forty-six million, seven hundred ninety-nine thousand, nineteen".