472145578 has 8 divisors (see below), whose sum is σ = 732639780. Its totient is φ = 227932320.

The previous prime is 472145563. The next prime is 472145591. The reversal of 472145578 is 875541274.

It can be written as a sum of positive squares in 2 ways, for example, as 455523649 + 16621929 = 21343^2 + 4077^2 .

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

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, 4070163 + ... + 4070278.

Almost surely, 2^472145578 is an apocalyptic number.

472145578 is a deficient number, since it is larger than the sum of its proper divisors (260494202).

472145578 is a wasteful number, since it uses less digits than its factorization.

472145578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8140472.

The product of its digits is 313600, while the sum is 43.

The square root of 472145578 is about 21728.9111093952. The cubic root of 472145578 is about 778.6793222109.

The spelling of 472145578 in words is "four hundred seventy-two million, one hundred forty-five thousand, five hundred seventy-eight".