75112148 has 6 divisors (see below), whose sum is σ = 131446266. Its totient is φ = 37556072.

The previous prime is 75112139. The next prime is 75112153. The reversal of 75112148 is 84121157.

It can be written as a sum of positive squares in only one way, i.e., 49730704 + 25381444 = 7052^2 + 5038^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 75112148.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9389015 + ... + 9389022.

It is an arithmetic number, because the mean of its divisors is an integer number (21907711).

Almost surely, 2^75112148 is an apocalyptic number.

It is an amenable number.

75112148 is a deficient number, since it is larger than the sum of its proper divisors (56334118).

75112148 is a wasteful number, since it uses less digits than its factorization.

75112148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18778041 (or 18778039 counting only the distinct ones).

The product of its digits is 2240, while the sum is 29.

The square root of 75112148 is about 8666.7264869730. The cubic root of 75112148 is about 421.9264263820.

Subtracting 75112148 from its reverse (84121157), we obtain a palindrome (9009009).

The spelling of 75112148 in words is "seventy-five million, one hundred twelve thousand, one hundred forty-eight".