454545400 has 24 divisors (see below), whose sum is σ = 1056818520. Its totient is φ = 181818080.

The previous prime is 454545397. The next prime is 454545409. The reversal of 454545400 is 4545454.

It is a happy number.

454545400 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×454545400² = 413223041322320000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454545409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1136164 + ... + 1136563.

It is an arithmetic number, because the mean of its divisors is an integer number (44034105).

Almost surely, 2^454545400 is an apocalyptic number.

454545400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

454545400 is an abundant number, since it is smaller than the sum of its proper divisors (602273120).

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

454545400 is a wasteful number, since it uses less digits than its factorization.

454545400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272743 (or 2272734 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 454545400 is about 21320.0703563567. The cubic root of 454545400 is about 768.8809290734.

454545400 divided by its reverse (4545454) gives a square (100 = 10²).

The spelling of 454545400 in words is "four hundred fifty-four million, five hundred forty-five thousand, four hundred".