1845252 has 18 divisors (see below), whose sum is σ = 4664478. Its totient is φ = 615072.

The previous prime is 1845229. The next prime is 1845271. The reversal of 1845252 is 2525481.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1179396 + 665856 = 1086^2 + 816^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25593 + ... + 25664.

2^1845252 is an apocalyptic number.

1845252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1845252 is an abundant number, since it is smaller than the sum of its proper divisors (2819226).

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

1845252 is a wasteful number, since it uses less digits than its factorization.

1845252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51267 (or 51262 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 1845252 is about 1358.4005300352. The cubic root of 1845252 is about 122.6549919313.

The spelling of 1845252 in words is "one million, eight hundred forty-five thousand, two hundred fifty-two".