15242534434 has 8 divisors (see below), whose sum is σ = 22875975360. Its totient is φ = 7617209316.

The previous prime is 15242534423. The next prime is 15242534497. The reversal of 15242534434 is 43443524251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 15242534393 and 15242534402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2024254 + ... + 2031769.

It is an arithmetic number, because the mean of its divisors is an integer number (2859496920).

Almost surely, 2^15242534434 is an apocalyptic number.

15242534434 is a deficient number, since it is larger than the sum of its proper divisors (7633440926).

15242534434 is a wasteful number, since it uses less digits than its factorization.

15242534434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057904.

The product of its digits is 230400, while the sum is 37.

It can be divided in two parts, 15242 and 534434, that added together give a triangular number (549676 = T₁₀₄₈).

The spelling of 15242534434 in words is "fifteen billion, two hundred forty-two million, five hundred thirty-four thousand, four hundred thirty-four".