146221466465 has 8 divisors (see below), whose sum is σ = 175954524480. Its totient is φ = 116651330032.

The previous prime is 146221466431. The next prime is 146221466467. The reversal of 146221466465 is 564664122641.

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

It is a cyclic number.

It is not a de Polignac number, because 146221466465 - 2¹⁶ = 146221400929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146221466467) 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, 40728419 + ... + 40732008.

It is an arithmetic number, because the mean of its divisors is an integer number (21994315560).

Almost surely, 2^146221466465 is an apocalyptic number.

It is an amenable number.

146221466465 is a deficient number, since it is larger than the sum of its proper divisors (29733058015).

146221466465 is an equidigital number, since it uses as much as digits as its factorization.

146221466465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81460791.

The product of its digits is 1658880, while the sum is 47.

The spelling of 146221466465 in words is "one hundred forty-six billion, two hundred twenty-one million, four hundred sixty-six thousand, four hundred sixty-five".