146230979 has 2 divisors, whose sum is σ = 146230980. Its totient is φ = 146230978.

The previous prime is 146230951. The next prime is 146231009. The reversal of 146230979 is 979032641.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146230979 is a prime.

It is not a weakly prime, because it can be changed into another prime (146230949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73115489 + 73115490.

It is an arithmetic number, because the mean of its divisors is an integer number (73115490).

Almost surely, 2^146230979 is an apocalyptic number.

146230979 is a deficient number, since it is larger than the sum of its proper divisors (1).

146230979 is an equidigital number, since it uses as much as digits as its factorization.

146230979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 146230979 is about 12092.6001753138. The cubic root of 146230979 is about 526.8412795389.

The spelling of 146230979 in words is "one hundred forty-six million, two hundred thirty thousand, nine hundred seventy-nine".