2045144321603 has 2 divisors, whose sum is σ = 2045144321604. Its totient is φ = 2045144321602.

The previous prime is 2045144321537. The next prime is 2045144321617. The reversal of 2045144321603 is 3061234415402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2045144321603 - 2⁸ = 2045144321347 is a prime.

It is not a weakly prime, because it can be changed into another prime (2045144321503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022572160801 + 1022572160802.

It is an arithmetic number, because the mean of its divisors is an integer number (1022572160802).

Almost surely, 2^{2045144321603} is an apocalyptic number.

2045144321603 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045144321603 is an equidigital number, since it uses as much as digits as its factorization.

2045144321603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 2045144321603 in words is "two trillion, forty-five billion, one hundred forty-four million, three hundred twenty-one thousand, six hundred three".