2445128458 has 4 divisors (see below), whose sum is σ = 3667692690. Its totient is φ = 1222564228.

The previous prime is 2445128437. The next prime is 2445128467. The reversal of 2445128458 is 8548215442.

2445128458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 1741977169 + 703151289 = 41737^2 + 26517^2 .

It is a super-2 number, since 2×2445128458² = 11957306352242915528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611282113 + ... + 611282116.

Almost surely, 2^2445128458 is an apocalyptic number.

2445128458 is a deficient number, since it is larger than the sum of its proper divisors (1222564232).

2445128458 is a wasteful number, since it uses less digits than its factorization.

2445128458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222564231.

The product of its digits is 409600, while the sum is 43.

The square root of 2445128458 is about 49448.2401911332. The cubic root of 2445128458 is about 1347.2056434722.

The spelling of 2445128458 in words is "two billion, four hundred forty-five million, one hundred twenty-eight thousand, four hundred fifty-eight".