7148534 has 16 divisors (see below), whose sum is σ = 11570688. Its totient is φ = 3299712.

The previous prime is 7148521. The next prime is 7148597. The reversal of 7148534 is 4358417.

It is a super-2 number, since 2×7148534² = 102203076698312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7148534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182 + ... + 3785.

It is an arithmetic number, because the mean of its divisors is an integer number (723168).

Almost surely, 2^7148534 is an apocalyptic number.

7148534 is a deficient number, since it is larger than the sum of its proper divisors (4422154).

7148534 is a wasteful number, since it uses less digits than its factorization.

7148534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4039.

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

The square root of 7148534 is about 2673.6742509139. The cubic root of 7148534 is about 192.6366848432.

The spelling of 7148534 in words is "seven million, one hundred forty-eight thousand, five hundred thirty-four".