15421453154 has 8 divisors (see below), whose sum is σ = 23138377680. Its totient is φ = 7708660596.

The previous prime is 15421453153. The next prime is 15421453171. The reversal of 15421453154 is 45135412451.

It is a happy number.

15421453154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15421453153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1023644 + ... + 1038599.

It is an arithmetic number, because the mean of its divisors is an integer number (2892297210).

Almost surely, 2^15421453154 is an apocalyptic number.

15421453154 is a deficient number, since it is larger than the sum of its proper divisors (7716924526).

15421453154 is a wasteful number, since it uses less digits than its factorization.

15421453154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065984.

The product of its digits is 48000, while the sum is 35.

The spelling of 15421453154 in words is "fifteen billion, four hundred twenty-one million, four hundred fifty-three thousand, one hundred fifty-four".