15454254343 has 4 divisors (see below), whose sum is σ = 16859186568. Its totient is φ = 14049322120.

The previous prime is 15454254307. The next prime is 15454254359. The reversal of 15454254343 is 34345245451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34345245451 = 11 ⋅3122295041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15454254343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15454254296 and 15454254305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15454254743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702466096 + ... + 702466117.

It is an arithmetic number, because the mean of its divisors is an integer number (4214796642).

Almost surely, 2^15454254343 is an apocalyptic number.

15454254343 is a deficient number, since it is larger than the sum of its proper divisors (1404932225).

15454254343 is a wasteful number, since it uses less digits than its factorization.

15454254343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404932224.

The product of its digits is 576000, while the sum is 40.

Adding to 15454254343 its reverse (34345245451), we get a palindrome (49799499794).

The spelling of 15454254343 in words is "fifteen billion, four hundred fifty-four million, two hundred fifty-four thousand, three hundred forty-three".