454355645 has 32 divisors (see below), whose sum is σ = 592462080. Its totient is φ = 333365760.

The previous prime is 454355641. The next prime is 454355653. The reversal of 454355645 is 546553454.

It is a happy number.

It is not a de Polignac number, because 454355645 - 2² = 454355641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454355641) 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 in 31 ways as a sum of consecutive naturals, for example, 611144 + ... + 611886.

It is an arithmetic number, because the mean of its divisors is an integer number (18514440).

Almost surely, 2^454355645 is an apocalyptic number.

It is an amenable number.

454355645 is a deficient number, since it is larger than the sum of its proper divisors (138106435).

454355645 is a wasteful number, since it uses less digits than its factorization.

454355645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965.

The product of its digits is 720000, while the sum is 41.

The square root of 454355645 is about 21315.6197423392. The cubic root of 454355645 is about 768.7739215682.

The spelling of 454355645 in words is "four hundred fifty-four million, three hundred fifty-five thousand, six hundred forty-five".