7145459 has 4 divisors (see below), whose sum is σ = 7243416. Its totient is φ = 7047504.

The previous prime is 7145443. The next prime is 7145473. The reversal of 7145459 is 9545417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9545417 = 7 ⋅1363631.

It is a cyclic number.

It is not a de Polignac number, because 7145459 - 2⁴ = 7145443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7145759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48869 + ... + 49014.

It is an arithmetic number, because the mean of its divisors is an integer number (1810854).

Almost surely, 2^7145459 is an apocalyptic number.

7145459 is a deficient number, since it is larger than the sum of its proper divisors (97957).

7145459 is an equidigital number, since it uses as much as digits as its factorization.

7145459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97956.

The product of its digits is 25200, while the sum is 35.

The square root of 7145459 is about 2673.0991377051. The cubic root of 7145459 is about 192.6090594698.

The spelling of 7145459 in words is "seven million, one hundred forty-five thousand, four hundred fifty-nine".