7145532 has 36 divisors (see below), whose sum is σ = 18316480. Its totient is φ = 2348352.

The previous prime is 7145527. The next prime is 7145533. The reversal of 7145532 is 2355417.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 7145496 and 7145505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7145533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1269 + ... + 3987.

Almost surely, 2^7145532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7145532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9158240).

7145532 is an abundant number, since it is smaller than the sum of its proper divisors (11170948).

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

7145532 is a wasteful number, since it uses less digits than its factorization.

7145532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802 (or 2797 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 7145532 is about 2673.1127922331. The cubic root of 7145532 is about 192.6097153835.

The spelling of 7145532 in words is "seven million, one hundred forty-five thousand, five hundred thirty-two".