146434434642 has 24 divisors (see below), whose sum is σ = 318591109980. Its totient is φ = 48608939520.

The previous prime is 146434434613. The next prime is 146434434647. The reversal of 146434434642 is 246434434641.

146434434642 is a `hidden beast` number, since 146 + 4 + 3 + 4 + 43 + 464 + 2 = 666.

146434434642 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 138756995001 + 7677439641 = 372501^2 + 87621^2 .

It is not an unprimeable number, because it can be changed into a prime (146434434647) by changing a digit.

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, 16873767 + ... + 16882442.

Almost surely, 2^146434434642 is an apocalyptic number.

146434434642 is an abundant number, since it is smaller than the sum of its proper divisors (172156675338).

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

146434434642 is a wasteful number, since it uses less digits than its factorization.

146434434642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33756458 (or 33756455 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 45.

Subtracting 146434434642 from its reverse (246434434641), we obtain a palindrome (99999999999).

The spelling of 146434434642 in words is "one hundred forty-six billion, four hundred thirty-four million, four hundred thirty-four thousand, six hundred forty-two".