5451154221 has 8 divisors (see below), whose sum is σ = 7445479104. Its totient is φ = 3545466080.

The previous prime is 5451154187. The next prime is 5451154223. The reversal of 5451154221 is 1224511545.

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

It is a cyclic number.

It is not a de Polignac number, because 5451154221 - 2¹¹ = 5451152173 is a prime.

It is a super-2 number, since 2×5451154221² = 59430164682252233682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5451154223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22159041 + ... + 22159286.

It is an arithmetic number, because the mean of its divisors is an integer number (930684888).

Almost surely, 2^5451154221 is an apocalyptic number.

It is an amenable number.

5451154221 is a deficient number, since it is larger than the sum of its proper divisors (1994324883).

5451154221 is a wasteful number, since it uses less digits than its factorization.

5451154221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44318371.

The product of its digits is 8000, while the sum is 30.

The square root of 5451154221 is about 73831.9322583393. The cubic root of 5451154221 is about 1759.9330876980.

Adding to 5451154221 its reverse (1224511545), we get a palindrome (6675665766).

The spelling of 5451154221 in words is "five billion, four hundred fifty-one million, one hundred fifty-four thousand, two hundred twenty-one".