4551545454 has 32 divisors (see below), whose sum is σ = 9480830976. Its totient is φ = 1455380640.

The previous prime is 4551545443. The next prime is 4551545461. The reversal of 4551545454 is 4545451554.

It is a happy number.

It is a super-2 number, since 2×4551545454² = 41433132039656132232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128622 + ... + 160145.

It is an arithmetic number, because the mean of its divisors is an integer number (296275968).

Almost surely, 2^4551545454 is an apocalyptic number.

4551545454 is an abundant number, since it is smaller than the sum of its proper divisors (4929285522).

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

4551545454 is a wasteful number, since it uses less digits than its factorization.

4551545454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288880.

The product of its digits is 800000, while the sum is 42.

The square root of 4551545454 is about 67465.1425107811. The cubic root of 4551545454 is about 1657.2433870847.

The spelling of 4551545454 in words is "four billion, five hundred fifty-one million, five hundred forty-five thousand, four hundred fifty-four".