75142147238 has 16 divisors (see below), whose sum is σ = 113218812720. Its totient is φ = 37402605696.

The previous prime is 75142147229. The next prime is 75142147243. The reversal of 75142147238 is 83274124157.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3048881 + ... + 3073427.

It is an arithmetic number, because the mean of its divisors is an integer number (7076175795).

Almost surely, 2^75142147238 is an apocalyptic number.

75142147238 is a deficient number, since it is larger than the sum of its proper divisors (38076665482).

75142147238 is a wasteful number, since it uses less digits than its factorization.

75142147238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31351.

The product of its digits is 376320, while the sum is 44.

The spelling of 75142147238 in words is "seventy-five billion, one hundred forty-two million, one hundred forty-seven thousand, two hundred thirty-eight".