1800152 has 16 divisors (see below), whose sum is σ = 3454440. Its totient is φ = 878976.

The previous prime is 1800137. The next prime is 1800157. The reversal of 1800152 is 2510081.

It is a self number, because there is not a number n which added to its sum of digits gives 1800152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1800157) 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, 2273 + ... + 2960.

2^1800152 is an apocalyptic number.

It is an amenable number.

1800152 is a deficient number, since it is larger than the sum of its proper divisors (1654288).

1800152 is a wasteful number, since it uses less digits than its factorization.

1800152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5282 (or 5278 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1800152 is about 1341.6974323595. The cubic root of 1800152 is about 121.6474638695.

The spelling of 1800152 in words is "one million, eight hundred thousand, one hundred fifty-two".