456228865 has 4 divisors (see below), whose sum is σ = 547474644. Its totient is φ = 364983088.

The previous prime is 456228811. The next prime is 456228869. The reversal of 456228865 is 568822654.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 250937281 + 205291584 = 15841^2 + 14328^2 .

It is a cyclic number.

It is not a de Polignac number, because 456228865 - 2¹³ = 456220673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (456228869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45622882 + ... + 45622891.

It is an arithmetic number, because the mean of its divisors is an integer number (136868661).

It is a Proth number, since it is equal to 13923 ⋅ 2¹⁵ + 1 and 13923 < 2¹⁵.

Almost surely, 2^456228865 is an apocalyptic number.

It is an amenable number.

456228865 is a deficient number, since it is larger than the sum of its proper divisors (91245779).

456228865 is an equidigital number, since it uses as much as digits as its factorization.

456228865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91245778.

The product of its digits is 921600, while the sum is 46.

The square root of 456228865 is about 21359.5146246351. The cubic root of 456228865 is about 769.8289747784.

The spelling of 456228865 in words is "four hundred fifty-six million, two hundred twenty-eight thousand, eight hundred sixty-five".