1445552099 has 2 divisors, whose sum is σ = 1445552100. Its totient is φ = 1445552098.

The previous prime is 1445552077. The next prime is 1445552123. The reversal of 1445552099 is 9902555441.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1445552099 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1445552029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722776049 + 722776050.

It is an arithmetic number, because the mean of its divisors is an integer number (722776050).

Almost surely, 2^1445552099 is an apocalyptic number.

1445552099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445552099 is an equidigital number, since it uses as much as digits as its factorization.

1445552099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324000, while the sum is 44.

The square root of 1445552099 is about 38020.4168704132. The cubic root of 1445552099 is about 1130.6926859578.

The spelling of 1445552099 in words is "one billion, four hundred forty-five million, five hundred fifty-two thousand, ninety-nine".