7144885 has 16 divisors (see below), whose sum is σ = 9608832. Its totient is φ = 5054400.

The previous prime is 7144873. The next prime is 7144903. The reversal of 7144885 is 5884417.

It is not a de Polignac number, because 7144885 - 2⁵ = 7144853 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

7144885 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280 + ... + 3790.

It is an arithmetic number, because the mean of its divisors is an integer number (600552).

Almost surely, 2^7144885 is an apocalyptic number.

It is an amenable number.

7144885 is a deficient number, since it is larger than the sum of its proper divisors (2463947).

7144885 is a wasteful number, since it uses less digits than its factorization.

7144885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564.

The product of its digits is 35840, while the sum is 37.

The square root of 7144885 is about 2672.9917695347. The cubic root of 7144885 is about 192.6039018557.

The spelling of 7144885 in words is "seven million, one hundred forty-four thousand, eight hundred eighty-five".