2145577350244 has 24 divisors (see below), whose sum is σ = 3850107412536. Its totient is φ = 1045597920000.

The previous prime is 2145577350233. The next prime is 2145577350311. The reversal of 2145577350244 is 4420537755412.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17077262400 + 2128500087844 = 130680^2 + 1458938^2 .

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, 6239407 + ... + 6574294.

It is an arithmetic number, because the mean of its divisors is an integer number (160421142189).

Almost surely, 2^{2145577350244} is an apocalyptic number.

It is an amenable number.

2145577350244 is a deficient number, since it is larger than the sum of its proper divisors (1704530062292).

2145577350244 is a wasteful number, since it uses less digits than its factorization.

2145577350244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12814767 (or 12814765 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 49.

The spelling of 2145577350244 in words is "two trillion, one hundred forty-five billion, five hundred seventy-seven million, three hundred fifty thousand, two hundred forty-four".