146455220688 has 40 divisors (see below), whose sum is σ = 432391604928. Its totient is φ = 41844348672.

The previous prime is 146455220669. The next prime is 146455220689. The reversal of 146455220688 is 886022554641.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 146455220688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146455220689) 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, 217938981 + ... + 217939652.

Almost surely, 2^146455220688 is an apocalyptic number.

It is an amenable number.

146455220688 is an abundant number, since it is smaller than the sum of its proper divisors (285936384240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146455220688 is a wasteful number, since it uses less digits than its factorization.

146455220688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435878651 (or 435878645 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 51.

The spelling of 146455220688 in words is "one hundred forty-six billion, four hundred fifty-five million, two hundred twenty thousand, six hundred eighty-eight".