1445099999 has 8 divisors (see below), whose sum is σ = 1704818688. Its totient is φ = 1198700280.

The previous prime is 1445099993. The next prime is 1445100053. The reversal of 1445099999 is 9999905441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1445099999 - 2¹² = 1445095903 is a prime.

It is a Duffinian number.

1445099999 is a modest number, since divided by 99999 gives 14450 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445099993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3329507 + ... + 3329940.

It is an arithmetic number, because the mean of its divisors is an integer number (213102336).

Almost surely, 2^1445099999 is an apocalyptic number.

1445099999 is a deficient number, since it is larger than the sum of its proper divisors (259718689).

1445099999 is an equidigital number, since it uses as much as digits as its factorization.

1445099999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6659485.

The product of its (nonzero) digits is 4723920, while the sum is 59.

The square root of 1445099999 is about 38014.4709156921. The cubic root of 1445099999 is about 1130.5747980209.

The spelling of 1445099999 in words is "one billion, four hundred forty-five million, ninety-nine thousand, nine hundred ninety-nine".