478449145 has 8 divisors (see below), whose sum is σ = 576259200. Its totient is φ = 381345840.

The previous prime is 478449121. The next prime is 478449149. The reversal of 478449145 is 541944874.

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

It is not a de Polignac number, because 478449145 - 2¹⁹ = 477924857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 478449095 and 478449104.

It is not an unprimeable number, because it can be changed into a prime (478449149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175195 + ... + 177904.

It is an arithmetic number, because the mean of its divisors is an integer number (72032400).

Almost surely, 2^478449145 is an apocalyptic number.

It is an amenable number.

478449145 is a deficient number, since it is larger than the sum of its proper divisors (97810055).

478449145 is a wasteful number, since it uses less digits than its factorization.

478449145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353375.

The product of its digits is 645120, while the sum is 46.

The square root of 478449145 is about 21873.4804043618. The cubic root of 478449145 is about 782.1293695391.

The spelling of 478449145 in words is "four hundred seventy-eight million, four hundred forty-nine thousand, one hundred forty-five".