1445660349 has 8 divisors (see below), whose sum is σ = 2202911040. Its totient is φ = 826091616.

The previous prime is 1445660347. The next prime is 1445660371. The reversal of 1445660349 is 9430665441.

It is a happy number.

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

It is not a de Polignac number, because 1445660349 - 2¹ = 1445660347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1445660349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445660341) 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, 34420464 + ... + 34420505.

It is an arithmetic number, because the mean of its divisors is an integer number (275363880).

Almost surely, 2^1445660349 is an apocalyptic number.

It is an amenable number.

1445660349 is a deficient number, since it is larger than the sum of its proper divisors (757250691).

1445660349 is an equidigital number, since it uses as much as digits as its factorization.

1445660349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68840979.

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 1445660349 is about 38021.8404210001. The cubic root of 1445660349 is about 1130.7209091832.

The spelling of 1445660349 in words is "one billion, four hundred forty-five million, six hundred sixty thousand, three hundred forty-nine".