15545434132 has 12 divisors (see below), whose sum is σ = 27837173056. Its totient is φ = 7591956120.

The previous prime is 15545434123. The next prime is 15545434133. The reversal of 15545434132 is 23143454551.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 15545434091 and 15545434100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15545434133) 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 3 ways as a sum of consecutive naturals, for example, 45190044 + ... + 45190387.

Almost surely, 2^15545434132 is an apocalyptic number.

It is an amenable number.

15545434132 is a deficient number, since it is larger than the sum of its proper divisors (12291738924).

15545434132 is a wasteful number, since it uses less digits than its factorization.

15545434132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90380478 (or 90380476 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

Adding to 15545434132 its reverse (23143454551), we get a palindrome (38688888683).

The spelling of 15545434132 in words is "fifteen billion, five hundred forty-five million, four hundred thirty-four thousand, one hundred thirty-two".