146471649 has 8 divisors (see below), whose sum is σ = 197309280. Its totient is φ = 96640896.

The previous prime is 146471629. The next prime is 146471657. The reversal of 146471649 is 946174641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 146471649 - 2⁹ = 146471137 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 146471649.

It is not an unprimeable number, because it can be changed into a prime (146471629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251379 + ... + 251960.

It is an arithmetic number, because the mean of its divisors is an integer number (24663660).

Almost surely, 2^146471649 is an apocalyptic number.

It is an amenable number.

146471649 is a deficient number, since it is larger than the sum of its proper divisors (50837631).

146471649 is an equidigital number, since it uses as much as digits as its factorization.

146471649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503439.

The product of its digits is 145152, while the sum is 42.

The square root of 146471649 is about 12102.5472112279. The cubic root of 146471649 is about 527.1301499150.

The spelling of 146471649 in words is "one hundred forty-six million, four hundred seventy-one thousand, six hundred forty-nine".