145682819 has 2 divisors, whose sum is σ = 145682820. Its totient is φ = 145682818.

The previous prime is 145682807. The next prime is 145682821. The reversal of 145682819 is 918286541.

145682819 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 is a cyclic number.

It is not a de Polignac number, because 145682819 - 2²⁴ = 128905603 is a prime.

It is a super-2 number, since 2×145682819² = 42446967503573522, which contains 22 as substring.

Together with 145682821, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145682819.

It is not a weakly prime, because it can be changed into another prime (145682869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72841409 + 72841410.

It is an arithmetic number, because the mean of its divisors is an integer number (72841410).

Almost surely, 2^145682819 is an apocalyptic number.

145682819 is a deficient number, since it is larger than the sum of its proper divisors (1).

145682819 is an equidigital number, since it uses as much as digits as its factorization.

145682819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 44.

The square root of 145682819 is about 12069.9137942240. The cubic root of 145682819 is about 526.1821512496.

The spelling of 145682819 in words is "one hundred forty-five million, six hundred eighty-two thousand, eight hundred nineteen".