18243050 has 48 divisors (see below), whose sum is σ = 39640320. Its totient is φ = 6116160.

The previous prime is 18243047. The next prime is 18243053. The reversal of 18243050 is 5034281.

It is an interprime number because it is at equal distance from previous prime (18243047) and next prime (18243053).

It is not an unprimeable number, because it can be changed into a prime (18243053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15896 + ... + 17004.

It is an arithmetic number, because the mean of its divisors is an integer number (825840).

Almost surely, 2^18243050 is an apocalyptic number.

18243050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18243050 is an abundant number, since it is smaller than the sum of its proper divisors (21397270).

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

18243050 is a wasteful number, since it uses less digits than its factorization.

18243050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175 (or 1170 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 18243050 is about 4271.1883592274. The cubic root of 18243050 is about 263.2484459961.

The spelling of 18243050 in words is "eighteen million, two hundred forty-three thousand, fifty".