2145041073250 has 16 divisors (see below), whose sum is σ = 4015516889592. Its totient is φ = 858016429200.

The previous prime is 2145041073239. The next prime is 2145041073251. The reversal of 2145041073250 is 523701405412.

It can be written as a sum of positive squares in 4 ways, for example, as 1424941176681 + 720099896569 = 1193709^2 + 848587^2 .

It is not an unprimeable number, because it can be changed into a prime (2145041073251) 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, 4290081897 + ... + 4290082396.

Almost surely, 2^{2145041073250} is an apocalyptic number.

2145041073250 is a deficient number, since it is larger than the sum of its proper divisors (1870475816342).

2145041073250 is an equidigital number, since it uses as much as digits as its factorization.

2145041073250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8580164310 (or 8580164300 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

Adding to 2145041073250 its reverse (523701405412), we get a palindrome (2668742478662).

The spelling of 2145041073250 in words is "two trillion, one hundred forty-five billion, forty-one million, seventy-three thousand, two hundred fifty".