4545459648 has 42 divisors (see below), whose sum is σ = 13028741024. Its totient is φ = 1515153024.

The previous prime is 4545459647. The next prime is 4545459679. The reversal of 4545459648 is 8469545454.

It is a happy number.

4545459648 is a `hidden beast` number, since 4 + 5 + 4 + 5 + 4 + 596 + 48 = 666.

It is a super-2 number, since 2×4545459648² = 41322406823192567808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4545459594 and 4545459603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545459647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3945136 + ... + 3946287.

Almost surely, 2^4545459648 is an apocalyptic number.

4545459648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4545459648 is an abundant number, since it is smaller than the sum of its proper divisors (8483281376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4545459648 is a wasteful number, since it uses less digits than its factorization.

4545459648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7891441 (or 7891428 counting only the distinct ones).

The product of its digits is 13824000, while the sum is 54.

The square root of 4545459648 is about 67420.0240878035. The cubic root of 4545459648 is about 1656.5044322012.

The spelling of 4545459648 in words is "four billion, five hundred forty-five million, four hundred fifty-nine thousand, six hundred forty-eight".