7145460 has 144 divisors (see below), whose sum is σ = 25474176. Its totient is φ = 1587456.

The previous prime is 7145443. The next prime is 7145473. The reversal of 7145460 is 645417.

It is a super-2 number, since 2×7145460² = 102115197223200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 66727 + ... + 66833.

It is an arithmetic number, because the mean of its divisors is an integer number (176904).

Almost surely, 2^7145460 is an apocalyptic number.

7145460 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7145460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12737088).

7145460 is an abundant number, since it is smaller than the sum of its proper divisors (18328716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7145460 is a wasteful number, since it uses less digits than its factorization.

7145460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 7145460 is about 2673.0993247539. The cubic root of 7145460 is about 192.6090684550.

The spelling of 7145460 in words is "seven million, one hundred forty-five thousand, four hundred sixty".