45455353421 has 8 divisors (see below), whose sum is σ = 46397642400. Its totient is φ = 44518793200.

The previous prime is 45455353393. The next prime is 45455353429. The reversal of 45455353421 is 12435355454.

45455353421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45455353421 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 (45455353429) 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, 1416155 + ... + 1447896.

It is an arithmetic number, because the mean of its divisors is an integer number (5799705300).

Almost surely, 2^45455353421 is an apocalyptic number.

It is an amenable number.

45455353421 is a deficient number, since it is larger than the sum of its proper divisors (942288979).

45455353421 is a wasteful number, since it uses less digits than its factorization.

45455353421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864379.

The product of its digits is 720000, while the sum is 41.

The spelling of 45455353421 in words is "forty-five billion, four hundred fifty-five million, three hundred fifty-three thousand, four hundred twenty-one".