15242255432 has 8 divisors (see below), whose sum is σ = 28579228950. Its totient is φ = 7621127712.

The previous prime is 15242255423. The next prime is 15242255519. The reversal of 15242255432 is 23455224251.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12089882116 + 3152373316 = 109954^2 + 56146^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 15242255392 and 15242255401.

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 as a sum of consecutive naturals, namely, 952640957 + ... + 952640972.

Almost surely, 2^15242255432 is an apocalyptic number.

It is an amenable number.

15242255432 is a deficient number, since it is larger than the sum of its proper divisors (13336973518).

15242255432 is a wasteful number, since it uses less digits than its factorization.

15242255432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905281935 (or 1905281931 counting only the distinct ones).

The product of its digits is 96000, while the sum is 35.

Adding to 15242255432 its reverse (23455224251), we get a palindrome (38697479683).

The spelling of 15242255432 in words is "fifteen billion, two hundred forty-two million, two hundred fifty-five thousand, four hundred thirty-two".