454545454 has 12 divisors (see below), whose sum is σ = 749436912. Its totient is φ = 206611460.

The previous prime is 454545451. The next prime is 454545457.

454545454 is nontrivially palindromic in base 10.

454545454 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an interprime number because it is at equal distance from previous prime (454545451) and next prime (454545457).

It is a super-2 number, since 2×454545454² = 413223139504132232, which contains 22 as substring.

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

454545454 is an undulating number in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454545451) 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, 938902 + ... + 939385.

It is an arithmetic number, because the mean of its divisors is an integer number (62453076).

Almost surely, 2^454545454 is an apocalyptic number.

454545454 is a deficient number, since it is larger than the sum of its proper divisors (294891458).

454545454 is a wasteful number, since it uses less digits than its factorization.

454545454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878311 (or 1878300 counting only the distinct ones).

The product of its digits is 640000, while the sum is 40.

The square root of 454545454 is about 21320.0716227690. The cubic root of 454545454 is about 768.8809595211.

The spelling of 454545454 in words is "four hundred fifty-four million, five hundred forty-five thousand, four hundred fifty-four".