2145352016144 has 10 divisors (see below), whose sum is σ = 4156619531310. Its totient is φ = 1072676008064.

The previous prime is 2145352016113. The next prime is 2145352016231. The reversal of 2145352016144 is 4416102535412.

It can be written as a sum of positive squares in only one way, i.e., 1954459920400 + 190892095744 = 1398020^2 + 436912^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2145352016098 and 2145352016107.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67042250489 + ... + 67042250520.

It is an arithmetic number, because the mean of its divisors is an integer number (415661953131).

Almost surely, 2^{2145352016144} is an apocalyptic number.

It is an amenable number.

2145352016144 is a deficient number, since it is larger than the sum of its proper divisors (2011267515166).

2145352016144 is a wasteful number, since it uses less digits than its factorization.

2145352016144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134084501017 (or 134084501011 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 2145352016144 in words is "two trillion, one hundred forty-five billion, three hundred fifty-two million, sixteen thousand, one hundred forty-four".