1445010961 has 2 divisors, whose sum is σ = 1445010962. Its totient is φ = 1445010960.

The previous prime is 1445010947. The next prime is 1445010977. The reversal of 1445010961 is 1690105441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1086097936 + 358913025 = 32956^2 + 18945^2 .

It is a cyclic number.

It is not a de Polignac number, because 1445010961 - 2⁹ = 1445010449 is a prime.

It is not a weakly prime, because it can be changed into another prime (1445010991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722505480 + 722505481.

It is an arithmetic number, because the mean of its divisors is an integer number (722505481).

Almost surely, 2^1445010961 is an apocalyptic number.

It is an amenable number.

1445010961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445010961 is an equidigital number, since it uses as much as digits as its factorization.

1445010961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1445010961 is about 38013.2997909942. The cubic root of 1445010961 is about 1130.5515779008.

It can be divided in two parts, 144 and 5010961, that added together give a palindrome (5011105).

The spelling of 1445010961 in words is "one billion, four hundred forty-five million, ten thousand, nine hundred sixty-one".