18300153 has 4 divisors (see below), whose sum is σ = 24400208. Its totient is φ = 12200100.

The previous prime is 18300133. The next prime is 18300167. The reversal of 18300153 is 35100381.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35100381 = 3 ⋅11700127.

It is a de Polignac number, because none of the positive numbers 2^k-18300153 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18300133) 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, 3050023 + ... + 3050028.

It is an arithmetic number, because the mean of its divisors is an integer number (6100052).

Almost surely, 2^18300153 is an apocalyptic number.

It is an amenable number.

18300153 is a deficient number, since it is larger than the sum of its proper divisors (6100055).

18300153 is an equidigital number, since it uses as much as digits as its factorization.

18300153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100054.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 18300153 is about 4277.8678100194. The cubic root of 18300153 is about 263.5228266312.

The spelling of 18300153 in words is "eighteen million, three hundred thousand, one hundred fifty-three".