445455454 has 8 divisors (see below), whose sum is σ = 707488128. Its totient is φ = 209626080.

The previous prime is 445455449. The next prime is 445455481. The reversal of 445455454 is 454554544.

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

It is a super-2 number, since 2×445455454² = 396861122996692232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6550782 + ... + 6550849.

It is an arithmetic number, because the mean of its divisors is an integer number (88436016).

Almost surely, 2^445455454 is an apocalyptic number.

445455454 is a deficient number, since it is larger than the sum of its proper divisors (262032674).

445455454 is a wasteful number, since it uses less digits than its factorization.

445455454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13101650.

The product of its digits is 640000, while the sum is 40.

The square root of 445455454 is about 21105.8156440352. The cubic root of 445455454 is about 763.7210486694.

The spelling of 445455454 in words is "four hundred forty-five million, four hundred fifty-five thousand, four hundred fifty-four".