228190545453 has 32 divisors (see below), whose sum is σ = 336371047936. Its totient is φ = 136712173248.

The previous prime is 228190545439. The next prime is 228190545493. The reversal of 228190545453 is 354545091822.

228190545453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228190545453 - 2⁵ = 228190545421 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 (228190545493) 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 31 ways as a sum of consecutive naturals, for example, 293226 + ... + 736452.

It is an arithmetic number, because the mean of its divisors is an integer number (10511595248).

Almost surely, 2^228190545453 is an apocalyptic number.

It is an amenable number.

228190545453 is a deficient number, since it is larger than the sum of its proper divisors (108180502483).

228190545453 is a wasteful number, since it uses less digits than its factorization.

228190545453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443593.

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 228190545453 in words is "two hundred twenty-eight billion, one hundred ninety million, five hundred forty-five thousand, four hundred fifty-three".