146622979 has 2 divisors, whose sum is σ = 146622980. Its totient is φ = 146622978.

The previous prime is 146622947. The next prime is 146622989. The reversal of 146622979 is 979226641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146622979 - 2⁵ = 146622947 is a prime.

It is not a weakly prime, because it can be changed into another prime (146622919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73311489 + 73311490.

It is an arithmetic number, because the mean of its divisors is an integer number (73311490).

Almost surely, 2^146622979 is an apocalyptic number.

146622979 is a deficient number, since it is larger than the sum of its proper divisors (1).

146622979 is an equidigital number, since it uses as much as digits as its factorization.

146622979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 46.

The square root of 146622979 is about 12108.7975868787. The cubic root of 146622979 is about 527.3116256470.

The spelling of 146622979 in words is "one hundred forty-six million, six hundred twenty-two thousand, nine hundred seventy-nine".