4545454541 has 2 divisors, whose sum is σ = 4545454542. Its totient is φ = 4545454540.

The previous prime is 4545454483. The next prime is 4545454549. The reversal of 4545454541 is 1454545454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2694648100 + 1850806441 = 51910^2 + 43021^2 .

It is a cyclic number.

It is not a de Polignac number, because 4545454541 - 2¹⁸ = 4545192397 is a prime.

It is a super-2 number, since 2×4545454541² = 41322313968595041362, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4545454549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272727270 + 2272727271.

It is an arithmetic number, because the mean of its divisors is an integer number (2272727271).

Almost surely, 2^4545454541 is an apocalyptic number.

It is an amenable number.

4545454541 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545454541 is an equidigital number, since it uses as much as digits as its factorization.

4545454541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 640000, while the sum is 41.

The square root of 4545454541 is about 67419.9862132884. The cubic root of 4545454541 is about 1656.5038118187.

Adding to 4545454541 its reverse (1454545454), we get a palindrome (5999999995).

It can be divided in two parts, 4 and 545454541, that added together give a palindrome (545454545).

The spelling of 4545454541 in words is "four billion, five hundred forty-five million, four hundred fifty-four thousand, five hundred forty-one".