2245454578 has 8 divisors (see below), whose sum is σ = 3368398572. Its totient is φ = 1122655056.

The previous prime is 2245454573. The next prime is 2245454597. The reversal of 2245454578 is 8754545422.

It can be written as a sum of positive squares in 2 ways, for example, as 1900349649 + 345104929 = 43593^2 + 18577^2 .

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

It is a super-2 number, since 2×2245454578² = 10084132523722316168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2245454573) 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, 20476 + ... + 70072.

Almost surely, 2^2245454578 is an apocalyptic number.

2245454578 is a deficient number, since it is larger than the sum of its proper divisors (1122943994).

2245454578 is a wasteful number, since it uses less digits than its factorization.

2245454578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72236.

The product of its digits is 1792000, while the sum is 46.

The square root of 2245454578 is about 47386.2277249413. The cubic root of 2245454578 is about 1309.4877040416.

The spelling of 2245454578 in words is "two billion, two hundred forty-five million, four hundred fifty-four thousand, five hundred seventy-eight".