7145799 has 8 divisors (see below), whose sum is σ = 9551472. Its totient is φ = 4752000.

The previous prime is 7145759. The next prime is 7145813. The reversal of 7145799 is 9975417.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7145799 - 2²¹ = 5048647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7145799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7145759) 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 7 ways as a sum of consecutive naturals, for example, 1452 + ... + 4049.

It is an arithmetic number, because the mean of its divisors is an integer number (1193934).

Almost surely, 2^7145799 is an apocalyptic number.

7145799 is a deficient number, since it is larger than the sum of its proper divisors (2405673).

7145799 is a wasteful number, since it uses less digits than its factorization.

7145799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5937.

The product of its digits is 79380, while the sum is 42.

The square root of 7145799 is about 2673.1627335424. The cubic root of 7145799 is about 192.6121143723.

The spelling of 7145799 in words is "seven million, one hundred forty-five thousand, seven hundred ninety-nine".