75225143 has 12 divisors (see below), whose sum is σ = 88619040. Its totient is φ = 63659232.

The previous prime is 75225097. The next prime is 75225169. The reversal of 75225143 is 34152257.

It is a happy number.

It is not a de Polignac number, because 75225143 - 2⁸ = 75224887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75225643) 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, 5846 + ... + 13587.

It is an arithmetic number, because the mean of its divisors is an integer number (7384920).

Almost surely, 2^75225143 is an apocalyptic number.

75225143 is a deficient number, since it is larger than the sum of its proper divisors (13393897).

75225143 is a wasteful number, since it uses less digits than its factorization.

75225143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19526 (or 19519 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 75225143 is about 8673.2429344508. The cubic root of 75225143 is about 422.1378954579.

The spelling of 75225143 in words is "seventy-five million, two hundred twenty-five thousand, one hundred forty-three".