45628214281 has 8 divisors (see below), whose sum is σ = 49278878600. Its totient is φ = 41997664512.

The previous prime is 45628214273. The next prime is 45628214299. The reversal of 45628214281 is 18241282654.

45628214281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12245635600 + 33382578681 = 110660^2 + 182709^2 .

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 45628214281 - 2³ = 45628214273 is a prime.

It is a super-2 number, since 2×45628214281² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45628214881) 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, 5023920 + ... + 5032993.

It is an arithmetic number, because the mean of its divisors is an integer number (6159859825).

Almost surely, 2^45628214281 is an apocalyptic number.

It is an amenable number.

45628214281 is a deficient number, since it is larger than the sum of its proper divisors (3650664319).

45628214281 is a wasteful number, since it uses less digits than its factorization.

45628214281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10057275.

The product of its digits is 245760, while the sum is 43.

The spelling of 45628214281 in words is "forty-five billion, six hundred twenty-eight million, two hundred fourteen thousand, two hundred eighty-one".