146336947 has 2 divisors, whose sum is σ = 146336948. Its totient is φ = 146336946.

The previous prime is 146336909. The next prime is 146336951. The reversal of 146336947 is 749633641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146336947 - 2²³ = 137948339 is a prime.

It is not a weakly prime, because it can be changed into another prime (146336977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73168473 + 73168474.

It is an arithmetic number, because the mean of its divisors is an integer number (73168474).

Almost surely, 2^146336947 is an apocalyptic number.

146336947 is a deficient number, since it is larger than the sum of its proper divisors (1).

146336947 is an equidigital number, since it uses as much as digits as its factorization.

146336947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 43.

The square root of 146336947 is about 12096.9809043414. The cubic root of 146336947 is about 526.9685093889.

The spelling of 146336947 in words is "one hundred forty-six million, three hundred thirty-six thousand, nine hundred forty-seven".