146681608 has 8 divisors (see below), whose sum is σ = 275028030. Its totient is φ = 73340800.

The previous prime is 146681597. The next prime is 146681659. The reversal of 146681608 is 806186641.

It can be written as a sum of positive squares in only one way, i.e., 140138244 + 6543364 = 11838^2 + 2558^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 9167593 + ... + 9167608.

Almost surely, 2^146681608 is an apocalyptic number.

It is an amenable number.

146681608 is a deficient number, since it is larger than the sum of its proper divisors (128346422).

146681608 is a wasteful number, since it uses less digits than its factorization.

146681608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18335207 (or 18335203 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 146681608 is about 12111.2182706778. The cubic root of 146681608 is about 527.3819002923.

The spelling of 146681608 in words is "one hundred forty-six million, six hundred eighty-one thousand, six hundred eight".