473445138 has 32 divisors (see below), whose sum is σ = 1006836480. Its totient is φ = 147902720.

The previous prime is 473445101. The next prime is 473445149. The reversal of 473445138 is 831544374.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 473445096 and 473445105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14668 + ... + 34088.

It is an arithmetic number, because the mean of its divisors is an integer number (31463640).

Almost surely, 2^473445138 is an apocalyptic number.

473445138 is an abundant number, since it is smaller than the sum of its proper divisors (533391342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

473445138 is a wasteful number, since it uses less digits than its factorization.

473445138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19682.

The product of its digits is 161280, while the sum is 39.

The square root of 473445138 is about 21758.7944978576. The cubic root of 473445138 is about 779.3930946317.

The spelling of 473445138 in words is "four hundred seventy-three million, four hundred forty-five thousand, one hundred thirty-eight".