7157141 has 4 divisors (see below), whose sum is σ = 7264032. Its totient is φ = 7050252.

The previous prime is 7157131. The next prime is 7157201. The reversal of 7157141 is 1417517.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1417517 = 491 ⋅2887.

It is a cyclic number.

It is not a de Polignac number, because 7157141 - 2¹⁸ = 6894997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7157141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7157131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53345 + ... + 53478.

It is an arithmetic number, because the mean of its divisors is an integer number (1816008).

Almost surely, 2^7157141 is an apocalyptic number.

It is an amenable number.

7157141 is a deficient number, since it is larger than the sum of its proper divisors (106891).

7157141 is a wasteful number, since it uses less digits than its factorization.

7157141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106890.

The product of its digits is 980, while the sum is 26.

The square root of 7157141 is about 2675.2833494791. The cubic root of 7157141 is about 192.7139668406.

The spelling of 7157141 in words is "seven million, one hundred fifty-seven thousand, one hundred forty-one".