7148385 has 16 divisors (see below), whose sum is σ = 12708480. Its totient is φ = 3812400.

The previous prime is 7148357. The next prime is 7148387. The reversal of 7148385 is 5838417.

7148385 is nontrivially palindromic in base 14.

It is not a de Polignac number, because 7148385 - 2⁸ = 7148129 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7148387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26341 + ... + 26610.

It is an arithmetic number, because the mean of its divisors is an integer number (794280).

Almost surely, 2^7148385 is an apocalyptic number.

It is an amenable number.

7148385 is a deficient number, since it is larger than the sum of its proper divisors (5560095).

7148385 is a wasteful number, since it uses less digits than its factorization.

7148385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52965 (or 52959 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 7148385 is about 2673.6463864917. The cubic root of 7148385 is about 192.6353464305.

The spelling of 7148385 in words is "seven million, one hundred forty-eight thousand, three hundred eighty-five".