145984819 has 2 divisors, whose sum is σ = 145984820. Its totient is φ = 145984818.

The previous prime is 145984801. The next prime is 145984823. The reversal of 145984819 is 918489541.

145984819 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 145984819 - 2²³ = 137596211 is a prime.

It is a super-3 number, since 3×145984819³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (145984829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72992409 + 72992410.

It is an arithmetic number, because the mean of its divisors is an integer number (72992410).

Almost surely, 2^145984819 is an apocalyptic number.

145984819 is a deficient number, since it is larger than the sum of its proper divisors (1).

145984819 is an equidigital number, since it uses as much as digits as its factorization.

145984819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 49.

The square root of 145984819 is about 12082.4177630142. The cubic root of 145984819 is about 526.5454915814.

The spelling of 145984819 in words is "one hundred forty-five million, nine hundred eighty-four thousand, eight hundred nineteen".