18075150 has 60 divisors (see below), whose sum is σ = 50233392. Its totient is φ = 4818960.

The previous prime is 18075133. The next prime is 18075191. The reversal of 18075150 is 5157081.

It is a super-2 number, since 2×18075150² = 653422095045000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1819 + ... + 6281.

Almost surely, 2^18075150 is an apocalyptic number.

18075150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18075150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25116696).

18075150 is an abundant number, since it is smaller than the sum of its proper divisors (32158242).

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

18075150 is a wasteful number, since it uses less digits than its factorization.

18075150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4487 (or 4473 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

The square root of 18075150 is about 4251.4879748154. The cubic root of 18075150 is about 262.4383528705.

It can be divided in two parts, 18075 and 150, that added together give a square (18225 = 135²).

The spelling of 18075150 in words is "eighteen million, seventy-five thousand, one hundred fifty".