146500447 has 2 divisors, whose sum is σ = 146500448. Its totient is φ = 146500446.

The previous prime is 146500439. The next prime is 146500499. The reversal of 146500447 is 744005641.

It is a weak prime.

It is an emirp because it is prime and its reverse (744005641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146500447 - 2³ = 146500439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146500147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73250223 + 73250224.

It is an arithmetic number, because the mean of its divisors is an integer number (73250224).

Almost surely, 2^146500447 is an apocalyptic number.

146500447 is a deficient number, since it is larger than the sum of its proper divisors (1).

146500447 is an equidigital number, since it uses as much as digits as its factorization.

146500447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 146500447 is about 12103.7369022959. The cubic root of 146500447 is about 527.1646942549.

The spelling of 146500447 in words is "one hundred forty-six million, five hundred thousand, four hundred forty-seven".