45133404621 has 4 divisors (see below), whose sum is σ = 60177872832. Its totient is φ = 30088936412.

The previous prime is 45133404577. The next prime is 45133404629. The reversal of 45133404621 is 12640433154.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45133404621 - 2¹⁵ = 45133371853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45133404629) 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, 7522234101 + ... + 7522234106.

It is an arithmetic number, because the mean of its divisors is an integer number (15044468208).

Almost surely, 2^45133404621 is an apocalyptic number.

It is an amenable number.

45133404621 is a deficient number, since it is larger than the sum of its proper divisors (15044468211).

45133404621 is a wasteful number, since it uses less digits than its factorization.

45133404621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15044468210.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 45133404621 its reverse (12640433154), we get a palindrome (57773837775).

The spelling of 45133404621 in words is "forty-five billion, one hundred thirty-three million, four hundred four thousand, six hundred twenty-one".