7144057 has 4 divisors (see below), whose sum is σ = 7520080. Its totient is φ = 6768036.

The previous prime is 7144051. The next prime is 7144061. The reversal of 7144057 is 7504417.

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 a de Polignac number, because none of the positive numbers 2^k-7144057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7144051) 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 3 ways as a sum of consecutive naturals, for example, 187983 + ... + 188020.

It is an arithmetic number, because the mean of its divisors is an integer number (1880020).

Almost surely, 2^7144057 is an apocalyptic number.

It is an amenable number.

7144057 is a deficient number, since it is larger than the sum of its proper divisors (376023).

7144057 is a wasteful number, since it uses less digits than its factorization.

7144057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376022.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 7144057 is about 2672.8368824154. The cubic root of 7144057 is about 192.5964614658.

The spelling of 7144057 in words is "seven million, one hundred forty-four thousand, fifty-seven".