1445860049 has 2 divisors, whose sum is σ = 1445860050. Its totient is φ = 1445860048.

The previous prime is 1445860021. The next prime is 1445860093. The reversal of 1445860049 is 9400685441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1442860225 + 2999824 = 37985^2 + 1732^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1445860049 is a prime.

It is a super-2 number, since 2×1445860049² = 4181022562588564802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1445859988 and 1445860015.

It is not a weakly prime, because it can be changed into another prime (1445866049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722930024 + 722930025.

It is an arithmetic number, because the mean of its divisors is an integer number (722930025).

Almost surely, 2^1445860049 is an apocalyptic number.

It is an amenable number.

1445860049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445860049 is an equidigital number, since it uses as much as digits as its factorization.

1445860049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 1445860049 is about 38024.4664525355. The cubic root of 1445860049 is about 1130.7729717970.

The spelling of 1445860049 in words is "one billion, four hundred forty-five million, eight hundred sixty thousand, forty-nine".