146681033481 has 6 divisors (see below), whose sum is σ = 211872603930. Its totient is φ = 97787355648.

The previous prime is 146681033437. The next prime is 146681033489. The reversal of 146681033481 is 184330186641.

146681033481 is a `hidden beast` number, since 1 + 4 + 6 + 68 + 103 + 3 + 481 = 666.

146681033481 is digitally balanced in base 2, 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 only one way, i.e., 114711593481 + 31969440000 = 338691^2 + 178800^2 .

It is not a de Polignac number, because 146681033481 - 2⁶ = 146681033417 is a prime.

It is a super-2 number, since 2×146681033481² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (146681033489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8148946296 + ... + 8148946313.

It is an arithmetic number, because the mean of its divisors is an integer number (35312100655).

Almost surely, 2^146681033481 is an apocalyptic number.

It is an amenable number.

146681033481 is a deficient number, since it is larger than the sum of its proper divisors (65191570449).

146681033481 is a wasteful number, since it uses less digits than its factorization.

146681033481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16297892615 (or 16297892612 counting only the distinct ones).

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

The spelling of 146681033481 in words is "one hundred forty-six billion, six hundred eighty-one million, thirty-three thousand, four hundred eighty-one".