45452442421 has 8 divisors (see below), whose sum is σ = 47112347520. Its totient is φ = 43821405408.

The previous prime is 45452442407. The next prime is 45452442433. The reversal of 45452442421 is 12424425454.

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 45452442421 - 2⁷ = 45452442293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45452442491) 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, 7213816 + ... + 7220113.

It is an arithmetic number, because the mean of its divisors is an integer number (5889043440).

Almost surely, 2^45452442421 is an apocalyptic number.

It is an amenable number.

45452442421 is a deficient number, since it is larger than the sum of its proper divisors (1659905099).

45452442421 is a wasteful number, since it uses less digits than its factorization.

45452442421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14434043.

The product of its digits is 204800, while the sum is 37.

Adding to 45452442421 its reverse (12424425454), we get a palindrome (57876867875).

The spelling of 45452442421 in words is "forty-five billion, four hundred fifty-two million, four hundred forty-two thousand, four hundred twenty-one".