13545440254 has 4 divisors (see below), whose sum is σ = 20318160384. Its totient is φ = 6772720126.

The previous prime is 13545440221. The next prime is 13545440257. The reversal of 13545440254 is 45204454531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45204454531 = 211 ⋅214239121.

It is a super-3 number, since 3×13545440254³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13545440257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3386360062 + ... + 3386360065.

It is an arithmetic number, because the mean of its divisors is an integer number (5079540096).

Almost surely, 2^13545440254 is an apocalyptic number.

13545440254 is a deficient number, since it is larger than the sum of its proper divisors (6772720130).

13545440254 is an equidigital number, since it uses as much as digits as its factorization.

13545440254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6772720129.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 13545440254 its reverse (45204454531), we get a palindrome (58749894785).

The spelling of 13545440254 in words is "thirteen billion, five hundred forty-five million, four hundred forty thousand, two hundred fifty-four".