146365819 has 2 divisors, whose sum is σ = 146365820. Its totient is φ = 146365818.

The previous prime is 146365811. The next prime is 146365841. The reversal of 146365819 is 918563641.

It is a weak prime.

It is an emirp because it is prime and its reverse (918563641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146365819 - 2³ = 146365811 is a prime.

It is a super-2 number, since 2×146365819² = 42845905943081522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (146365811) 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, 73182909 + 73182910.

It is an arithmetic number, because the mean of its divisors is an integer number (73182910).

Almost surely, 2^146365819 is an apocalyptic number.

146365819 is a deficient number, since it is larger than the sum of its proper divisors (1).

146365819 is an equidigital number, since it uses as much as digits as its factorization.

146365819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 43.

The square root of 146365819 is about 12098.1742010933. The cubic root of 146365819 is about 527.0031637366.

The spelling of 146365819 in words is "one hundred forty-six million, three hundred sixty-five thousand, eight hundred nineteen".