146912281344 has 108 divisors (see below), whose sum is σ = 438190880400. Its totient is φ = 47282092032.

The previous prime is 146912281309. The next prime is 146912281367. The reversal of 146912281344 is 443182219641.

146912281344 is a `hidden beast` number, since 14 + 6 + 9 + 12 + 281 + 344 = 666.

It is a super-2 number, since 2×146912281344² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 146912281344.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1032564 + ... + 1166195.

Almost surely, 2^146912281344 is an apocalyptic number.

It is an amenable number.

146912281344 is an abundant number, since it is smaller than the sum of its proper divisors (291278599056).

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

146912281344 is a wasteful number, since it uses less digits than its factorization.

146912281344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198810 (or 2198793 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The spelling of 146912281344 in words is "one hundred forty-six billion, nine hundred twelve million, two hundred eighty-one thousand, three hundred forty-four".