15154021042 has 8 divisors (see below), whose sum is σ = 23259660336. Its totient is φ = 7400800932.

The previous prime is 15154021033. The next prime is 15154021067. The reversal of 15154021042 is 24012045151.

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 = 15154020998 and 15154021016.

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, 88104688 + ... + 88104859.

It is an arithmetic number, because the mean of its divisors is an integer number (2907457542).

Almost surely, 2^15154021042 is an apocalyptic number.

15154021042 is a deficient number, since it is larger than the sum of its proper divisors (8105639294).

15154021042 is a wasteful number, since it uses less digits than its factorization.

15154021042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176209592.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 15154021042 its reverse (24012045151), we get a palindrome (39166066193).

The spelling of 15154021042 in words is "fifteen billion, one hundred fifty-four million, twenty-one thousand, forty-two".