7153045221 has 8 divisors (see below), whose sum is σ = 10899878464. Its totient is φ = 4087454400.

The previous prime is 7153045217. The next prime is 7153045243. The reversal of 7153045221 is 1225403517.

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

It is not a de Polignac number, because 7153045221 - 2² = 7153045217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7153045261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170310580 + ... + 170310621.

It is an arithmetic number, because the mean of its divisors is an integer number (1362484808).

Almost surely, 2^7153045221 is an apocalyptic number.

It is an amenable number.

7153045221 is a deficient number, since it is larger than the sum of its proper divisors (3746833243).

7153045221 is a wasteful number, since it uses less digits than its factorization.

7153045221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340621211.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 7153045221 is about 84575.6774788118. The cubic root of 7153045221 is about 1926.7719869384.

Adding to 7153045221 its reverse (1225403517), we get a palindrome (8378448738).

The spelling of 7153045221 in words is "seven billion, one hundred fifty-three million, forty-five thousand, two hundred twenty-one".