1845456 has 20 divisors (see below), whose sum is σ = 4767552. Its totient is φ = 615136.

The previous prime is 1845427. The next prime is 1845457. The reversal of 1845456 is 6545481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1845457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19176 + ... + 19271.

2^1845456 is an apocalyptic number.

1845456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1845456 is an abundant number, since it is smaller than the sum of its proper divisors (2922096).

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

1845456 is a wasteful number, since it uses less digits than its factorization.

1845456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38458 (or 38452 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 1845456 is about 1358.4756162699. The cubic root of 1845456 is about 122.6595117650.

The spelling of 1845456 in words is "one million, eight hundred forty-five thousand, four hundred fifty-six".