140172443230745 has 8 divisors (see below), whose sum is σ = 171057896824320. Its totient is φ = 110237311286320.

The previous prime is 140172443230741. The next prime is 140172443230763. The reversal of 140172443230745 is 547032344271041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140172443230745 - 2² = 140172443230741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140172443230745.

It is not an unprimeable number, because it can be changed into a prime (140172443230741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237580411961 + ... + 237580412550.

It is an arithmetic number, because the mean of its divisors is an integer number (21382237103040).

Almost surely, 2^{140172443230745} is an apocalyptic number.

It is an amenable number.

140172443230745 is a deficient number, since it is larger than the sum of its proper divisors (30885453593575).

140172443230745 is an equidigital number, since it uses as much as digits as its factorization.

140172443230745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475160824575.

The product of its (nonzero) digits is 2257920, while the sum is 47.

The spelling of 140172443230745 in words is "one hundred forty trillion, one hundred seventy-two billion, four hundred forty-three million, two hundred thirty thousand, seven hundred forty-five".