7148512 has 72 divisors (see below), whose sum is σ = 16892064. Its totient is φ = 2967552.

The previous prime is 7148501. The next prime is 7148513. The reversal of 7148512 is 2158417.

It is a super-2 number, since 2×7148512² = 102202447628288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7148513) 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 11 ways as a sum of consecutive naturals, for example, 73648 + ... + 73744.

It is an arithmetic number, because the mean of its divisors is an integer number (234612).

Almost surely, 2^7148512 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 7148512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8446032).

7148512 is an abundant number, since it is smaller than the sum of its proper divisors (9743552).

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

7148512 is a wasteful number, since it uses less digits than its factorization.

7148512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 153 counting only the distinct ones).

The product of its digits is 2240, while the sum is 28.

The square root of 7148512 is about 2673.6701367222. The cubic root of 7148512 is about 192.6364872264.

The spelling of 7148512 in words is "seven million, one hundred forty-eight thousand, five hundred twelve".