7545645126 has 32 divisors (see below), whose sum is σ = 17754461280. Its totient is φ = 2367260928.

The previous prime is 7545645113. The next prime is 7545645157. The reversal of 7545645126 is 6215465457.

7545645126 is a `hidden beast` number, since 75 + 4 + 5 + 64 + 512 + 6 = 666.

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 15 ways as a sum of consecutive naturals, for example, 4108911 + ... + 4110746.

It is an arithmetic number, because the mean of its divisors is an integer number (554826915).

Almost surely, 2^7545645126 is an apocalyptic number.

7545645126 is an abundant number, since it is smaller than the sum of its proper divisors (10208816154).

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

7545645126 is a wasteful number, since it uses less digits than its factorization.

7545645126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8219685 (or 8219679 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The square root of 7545645126 is about 86865.6728863594. The cubic root of 7545645126 is about 1961.3967835771.

The spelling of 7545645126 in words is "seven billion, five hundred forty-five million, six hundred forty-five thousand, one hundred twenty-six".