454840929 has 9 divisors (see below), whose sum is σ = 657084883. Its totient is φ = 303184632.

The previous prime is 454840927. The next prime is 454840979. The reversal of 454840929 is 929048454.

The square root of 454840929 is 21327.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 65173329 + 389667600 = 8073^2 + 19740^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 454840929 - 2¹ = 454840927 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454840927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 60427 + ... + 67535.

Almost surely, 2^454840929 is an apocalyptic number.

454840929 is the 21327-th square number.

454840929 is the 10664-th centered octagonal number.

It is an amenable number.

454840929 is a deficient number, since it is larger than the sum of its proper divisors (202243954).

454840929 is an frugal number, since it uses more digits than its factorization.

454840929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14224 (or 7112 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The cubic root of 454840929 is about 769.0475258424.

The spelling of 454840929 in words is "four hundred fifty-four million, eight hundred forty thousand, nine hundred twenty-nine".