228752635451 has 8 divisors (see below), whose sum is σ = 229050212160. Its totient is φ = 228455133192.

The previous prime is 228752635399. The next prime is 228752635481. The reversal of 228752635451 is 154536257822.

It is a happy number.

228752635451 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 not a de Polignac number, because 228752635451 - 2¹⁸ = 228752373307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228752635451.

It is not an unprimeable number, because it can be changed into a prime (228752635481) 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, 8716916 + ... + 8743118.

It is an arithmetic number, because the mean of its divisors is an integer number (28631276520).

Almost surely, 2^228752635451 is an apocalyptic number.

228752635451 is a deficient number, since it is larger than the sum of its proper divisors (297576709).

228752635451 is a wasteful number, since it uses less digits than its factorization.

228752635451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37225.

The product of its digits is 4032000, while the sum is 50.

The spelling of 228752635451 in words is "two hundred twenty-eight billion, seven hundred fifty-two million, six hundred thirty-five thousand, four hundred fifty-one".