146231432005 has 16 divisors (see below), whose sum is σ = 180236640240. Its totient is φ = 113813102592.

The previous prime is 146231431993. The next prime is 146231432041. The reversal of 146231432005 is 500234132641.

It can be written as a sum of positive squares in 8 ways, for example, as 24669728356 + 121561703649 = 157066^2 + 348657^2 .

It is a cyclic number.

It is not a de Polignac number, because 146231432005 - 2⁷ = 146231431877 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2505091 + ... + 2562799.

It is an arithmetic number, because the mean of its divisors is an integer number (11264790015).

Almost surely, 2^146231432005 is an apocalyptic number.

It is an amenable number.

146231432005 is a deficient number, since it is larger than the sum of its proper divisors (34005208235).

146231432005 is a wasteful number, since it uses less digits than its factorization.

146231432005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71448.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 146231432005 its reverse (500234132641), we get a palindrome (646465564646).

The spelling of 146231432005 in words is "one hundred forty-six billion, two hundred thirty-one million, four hundred thirty-two thousand, five".