7145111 has 8 divisors (see below), whose sum is σ = 7638624. Its totient is φ = 6666880.

The previous prime is 7145101. The next prime is 7145129. The reversal of 7145111 is 1115417.

It is a happy number.

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 7145111 - 2¹⁴ = 7128727 is a prime.

It is a super-2 number, since 2×7145111² = 102105222404642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7145101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2846 + ... + 4731.

It is an arithmetic number, because the mean of its divisors is an integer number (954828).

Almost surely, 2^7145111 is an apocalyptic number.

7145111 is a deficient number, since it is larger than the sum of its proper divisors (493513).

7145111 is a wasteful number, since it uses less digits than its factorization.

7145111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7641.

The product of its digits is 140, while the sum is 20.

The square root of 7145111 is about 2673.0340439284. The cubic root of 7145111 is about 192.6059325869.

The spelling of 7145111 in words is "seven million, one hundred forty-five thousand, one hundred eleven".