18148029 has 4 divisors (see below), whose sum is σ = 24197376. Its totient is φ = 12098684.

The previous prime is 18148007. The next prime is 18148037. The reversal of 18148029 is 92084181.

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.

It is a cyclic number.

It is not a de Polignac number, because 18148029 - 2¹⁵ = 18115261 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18148069) 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, 3024669 + ... + 3024674.

It is an arithmetic number, because the mean of its divisors is an integer number (6049344).

Almost surely, 2^18148029 is an apocalyptic number.

It is an amenable number.

18148029 is a deficient number, since it is larger than the sum of its proper divisors (6049347).

18148029 is an equidigital number, since it uses as much as digits as its factorization.

18148029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6049346.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 18148029 is about 4260.0503518151. The cubic root of 18148029 is about 262.7905970008.

The spelling of 18148029 in words is "eighteen million, one hundred forty-eight thousand, twenty-nine".