145824979 has 2 divisors, whose sum is σ = 145824980. Its totient is φ = 145824978.

The previous prime is 145824977. The next prime is 145825007. The reversal of 145824979 is 979428541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145824979 - 2¹ = 145824977 is a prime.

Together with 145824977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (145824977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72912489 + 72912490.

It is an arithmetic number, because the mean of its divisors is an integer number (72912490).

Almost surely, 2^145824979 is an apocalyptic number.

145824979 is a deficient number, since it is larger than the sum of its proper divisors (1).

145824979 is an equidigital number, since it uses as much as digits as its factorization.

145824979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 49.

The square root of 145824979 is about 12075.8013812749. The cubic root of 145824979 is about 526.3532483797.

The spelling of 145824979 in words is "one hundred forty-five million, eight hundred twenty-four thousand, nine hundred seventy-nine".