454545405 has 64 divisors (see below), whose sum is σ = 883353600. Its totient is φ = 220769280.

The previous prime is 454545397. The next prime is 454545409. The reversal of 454545405 is 504545454.

It is not a de Polignac number, because 454545405 - 2³ = 454545397 is a prime.

It is a super-2 number, since 2×454545405² = 413223050413228050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 454545405.

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 polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 67951 + ... + 74339.

It is an arithmetic number, because the mean of its divisors is an integer number (13802400).

Almost surely, 2^454545405 is an apocalyptic number.

454545405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

454545405 is a deficient number, since it is larger than the sum of its proper divisors (428808195).

454545405 is a wasteful number, since it uses less digits than its factorization.

454545405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6451 (or 6445 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The square root of 454545405 is about 21320.0704736171. The cubic root of 454545405 is about 768.8809318926.

The spelling of 454545405 in words is "four hundred fifty-four million, five hundred forty-five thousand, four hundred five".