45452004421 has 8 divisors (see below), whose sum is σ = 49387577600. Its totient is φ = 41670767520.

The previous prime is 45452004419. The next prime is 45452004427. The reversal of 45452004421 is 12440025454.

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 45452004421 - 2¹ = 45452004419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45452004427) 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, 38583456 + ... + 38584633.

It is an arithmetic number, because the mean of its divisors is an integer number (6173447200).

Almost surely, 2^45452004421 is an apocalyptic number.

It is an amenable number.

45452004421 is a deficient number, since it is larger than the sum of its proper divisors (3935573179).

45452004421 is a wasteful number, since it uses less digits than its factorization.

45452004421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77168139.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 45452004421 its reverse (12440025454), we get a palindrome (57892029875).

The spelling of 45452004421 in words is "forty-five billion, four hundred fifty-two million, four thousand, four hundred twenty-one".