18148465 has 8 divisors (see below), whose sum is σ = 21870720. Its totient is φ = 14457072.

The previous prime is 18148453. The next prime is 18148483. The reversal of 18148465 is 56484181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18148465 - 2⁷ = 18148337 is a prime.

It is a super-3 number, since 3×18148465³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6399 + ... + 8788.

It is an arithmetic number, because the mean of its divisors is an integer number (2733840).

Almost surely, 2^18148465 is an apocalyptic number.

It is an amenable number.

18148465 is a deficient number, since it is larger than the sum of its proper divisors (3722255).

18148465 is a wasteful number, since it uses less digits than its factorization.

18148465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15431.

The product of its digits is 30720, while the sum is 37.

The square root of 18148465 is about 4260.1015246118. The cubic root of 18148465 is about 262.7927014677.

The spelling of 18148465 in words is "eighteen million, one hundred forty-eight thousand, four hundred sixty-five".