145424179 has 2 divisors, whose sum is σ = 145424180. Its totient is φ = 145424178.

The previous prime is 145424177. The next prime is 145424189. The reversal of 145424179 is 971424541.

It is a weak prime.

It is an emirp because it is prime and its reverse (971424541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145424179 - 2¹ = 145424177 is a prime.

It is a super-2 number, since 2×145424179² = 42296383675648082, which contains 22 as substring.

Together with 145424177, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (145424173) 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, 72712089 + 72712090.

It is an arithmetic number, because the mean of its divisors is an integer number (72712090).

Almost surely, 2^145424179 is an apocalyptic number.

145424179 is a deficient number, since it is larger than the sum of its proper divisors (1).

145424179 is an equidigital number, since it uses as much as digits as its factorization.

145424179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 37.

The square root of 145424179 is about 12059.1947906981. The cubic root of 145424179 is about 525.8705785477.

It can be divided in two parts, 14542 and 4179, that added together give a triangular number (18721 = T₁₉₃).

The spelling of 145424179 in words is "one hundred forty-five million, four hundred twenty-four thousand, one hundred seventy-nine".