1845532428 has 48 divisors (see below), whose sum is σ = 4335112320. Its totient is φ = 611069184.

The previous prime is 1845532357. The next prime is 1845532439. The reversal of 1845532428 is 8242355481.

It is a self number, because there is not a number n which added to its sum of digits gives 1845532428.

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, 1422276 + ... + 1423572.

It is an arithmetic number, because the mean of its divisors is an integer number (90314840).

Almost surely, 2^1845532428 is an apocalyptic number.

It is an amenable number.

1845532428 is an abundant number, since it is smaller than the sum of its proper divisors (2489579892).

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

1845532428 is a wasteful number, since it uses less digits than its factorization.

1845532428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006 (or 2004 counting only the distinct ones).

The product of its digits is 307200, while the sum is 42.

The square root of 1845532428 is about 42959.6604735186. The cubic root of 1845532428 is about 1226.6120502161.

The spelling of 1845532428 in words is "one billion, eight hundred forty-five million, five hundred thirty-two thousand, four hundred twenty-eight".