15432133146 has 32 divisors (see below), whose sum is σ = 34399805760. Its totient is φ = 4586639616.

The previous prime is 15432133141. The next prime is 15432133147. The reversal of 15432133146 is 64133123451.

It is not an unprimeable number, because it can be changed into a prime (15432133141) 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 15 ways as a sum of consecutive naturals, for example, 3979521 + ... + 3983396.

It is an arithmetic number, because the mean of its divisors is an integer number (1074993930).

Almost surely, 2^15432133146 is an apocalyptic number.

15432133146 is an abundant number, since it is smaller than the sum of its proper divisors (18967672614).

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

15432133146 is a wasteful number, since it uses less digits than its factorization.

15432133146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7962958.

The product of its digits is 25920, while the sum is 33.

Adding to 15432133146 its reverse (64133123451), we get a palindrome (79565256597).

The spelling of 15432133146 in words is "fifteen billion, four hundred thirty-two million, one hundred thirty-three thousand, one hundred forty-six".