146466647 has 4 divisors (see below), whose sum is σ = 146492016. Its totient is φ = 146441280.

The previous prime is 146466641. The next prime is 146466659. The reversal of 146466647 is 746664641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146466647 - 2⁶ = 146466583 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146466598 and 146466607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146466641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647 + ... + 17127.

It is an arithmetic number, because the mean of its divisors is an integer number (36623004).

Almost surely, 2^146466647 is an apocalyptic number.

146466647 is a deficient number, since it is larger than the sum of its proper divisors (25369).

146466647 is an equidigital number, since it uses as much as digits as its factorization.

146466647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25368.

The product of its digits is 580608, while the sum is 44.

The square root of 146466647 is about 12102.3405587514. The cubic root of 146466647 is about 527.1241493567.

The spelling of 146466647 in words is "one hundred forty-six million, four hundred sixty-six thousand, six hundred forty-seven".