15434132144 has 10 divisors (see below), whose sum is σ = 29903631060. Its totient is φ = 7717066064.

The previous prime is 15434132143. The next prime is 15434132179. The reversal of 15434132144 is 44123143451.

It is a self number, because there is not a number n which added to its sum of digits gives 15434132144.

It is not an unprimeable number, because it can be changed into a prime (15434132141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482316614 + ... + 482316645.

It is an arithmetic number, because the mean of its divisors is an integer number (2990363106).

Almost surely, 2^15434132144 is an apocalyptic number.

It is an amenable number.

15434132144 is a deficient number, since it is larger than the sum of its proper divisors (14469498916).

15434132144 is an equidigital number, since it uses as much as digits as its factorization.

15434132144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964633267 (or 964633261 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

Adding to 15434132144 its reverse (44123143451), we get a palindrome (59557275595).

The spelling of 15434132144 in words is "fifteen billion, four hundred thirty-four million, one hundred thirty-two thousand, one hundred forty-four".