1845443346 has 8 divisors (see below), whose sum is σ = 3690886704. Its totient is φ = 615147780.

The previous prime is 1845443317. The next prime is 1845443371. The reversal of 1845443346 is 6433445481.

It is a happy number.

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

1845443346 is an admirable number.

It is a super-2 number, since 2×1845443346² = 6811322286591351432, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1845443298 and 1845443307.

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, 153786940 + ... + 153786951.

It is an arithmetic number, because the mean of its divisors is an integer number (461360838).

Almost surely, 2^1845443346 is an apocalyptic number.

1845443346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1845443346 is a wasteful number, since it uses less digits than its factorization.

1845443346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307573896.

The product of its digits is 552960, while the sum is 42.

The square root of 1845443346 is about 42958.6236511367. The cubic root of 1845443346 is about 1226.5923141206.

The spelling of 1845443346 in words is "one billion, eight hundred forty-five million, four hundred forty-three thousand, three hundred forty-six".