454220761645 has 8 divisors (see below), whose sum is σ = 622931330304. Its totient is φ = 311465665104.

The previous prime is 454220761633. The next prime is 454220761693. The reversal of 454220761645 is 546167022454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 454220761645 - 2⁹ = 454220761133 is a prime.

It is a super-3 number, since 3×454220761645³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 454220761595 and 454220761604.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6488867989 + ... + 6488868058.

It is an arithmetic number, because the mean of its divisors is an integer number (77866416288).

Almost surely, 2^454220761645 is an apocalyptic number.

It is an amenable number.

454220761645 is a deficient number, since it is larger than the sum of its proper divisors (168710568659).

454220761645 is a wasteful number, since it uses less digits than its factorization.

454220761645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12977736059.

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 454220761645 in words is "four hundred fifty-four billion, two hundred twenty million, seven hundred sixty-one thousand, six hundred forty-five".