7485143 has 8 divisors (see below), whose sum is σ = 7838208. Its totient is φ = 7134424.

The previous prime is 7485133. The next prime is 7485187. The reversal of 7485143 is 3415847.

7485143 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7485143 - 2¹⁴ = 7468759 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7485133) 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, 11246 + ... + 11892.

It is an arithmetic number, because the mean of its divisors is an integer number (979776).

Almost surely, 2^7485143 is an apocalyptic number.

7485143 is a deficient number, since it is larger than the sum of its proper divisors (353065).

7485143 is a wasteful number, since it uses less digits than its factorization.

7485143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173.

The product of its digits is 13440, while the sum is 32.

The square root of 7485143 is about 2735.8989381920. The cubic root of 7485143 is about 195.6140450881.

The spelling of 7485143 in words is "seven million, four hundred eighty-five thousand, one hundred forty-three".