10145231449985 has 8 divisors (see below), whose sum is σ = 12179964010536. Its totient is φ = 8112394312960.

The previous prime is 10145231449973. The next prime is 10145231449987. The reversal of 10145231449985 is 58994413254101.

It can be written as a sum of positive squares in 4 ways, for example, as 3558037148176 + 6587194301809 = 1886276^2 + 2566553^2 .

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

It is not a de Polignac number, because 10145231449985 - 2¹² = 10145231445889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10145231449985.

It is not an unprimeable number, because it can be changed into a prime (10145231449987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473844104 + ... + 473865513.

It is an arithmetic number, because the mean of its divisors is an integer number (1522495501317).

Almost surely, 2^{10145231449985} is an apocalyptic number.

It is an amenable number.

10145231449985 is a deficient number, since it is larger than the sum of its proper divisors (2034732560551).

10145231449985 is an equidigital number, since it uses as much as digits as its factorization.

10145231449985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947711763.

The product of its (nonzero) digits is 6220800, while the sum is 56.

The spelling of 10145231449985 in words is "ten trillion, one hundred forty-five billion, two hundred thirty-one million, four hundred forty-nine thousand, nine hundred eighty-five".