4545454544 has 10 divisors (see below), whose sum is σ = 8806818210. Its totient is φ = 2272727264.

The previous prime is 4545454541. The next prime is 4545454549. The reversal of 4545454544 is 4454545454.

It can be written as a sum of positive squares in only one way, i.e., 2887987600 + 1657466944 = 53740^2 + 40712^2 .

It is a super-2 number, since 2×4545454544² = 41322314023140495872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4545454495 and 4545454504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545454541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142045439 + ... + 142045470.

It is an arithmetic number, because the mean of its divisors is an integer number (880681821).

Almost surely, 2^4545454544 is an apocalyptic number.

It is an amenable number.

4545454544 is a deficient number, since it is larger than the sum of its proper divisors (4261363666).

4545454544 is a wasteful number, since it uses less digits than its factorization.

4545454544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284090917 (or 284090911 counting only the distinct ones).

The product of its digits is 2560000, while the sum is 44.

The square root of 4545454544 is about 67419.9862355370. The cubic root of 4545454544 is about 1656.5038121831.

Adding to 4545454544 its reverse (4454545454), we get a palindrome (8999999998).

The spelling of 4545454544 in words is "four billion, five hundred forty-five million, four hundred fifty-four thousand, five hundred forty-four".