146750447 has 2 divisors, whose sum is σ = 146750448. Its totient is φ = 146750446.

The previous prime is 146750441. The next prime is 146750449. The reversal of 146750447 is 744057641.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146750447 is a prime.

Together with 146750449, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146750447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146750441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73375223 + 73375224.

It is an arithmetic number, because the mean of its divisors is an integer number (73375224).

Almost surely, 2^146750447 is an apocalyptic number.

146750447 is a deficient number, since it is larger than the sum of its proper divisors (1).

146750447 is an equidigital number, since it uses as much as digits as its factorization.

146750447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 146750447 is about 12114.0598892361. The cubic root of 146750447 is about 527.4643890817.

The spelling of 146750447 in words is "one hundred forty-six million, seven hundred fifty thousand, four hundred forty-seven".