1445215116 has 48 divisors (see below), whose sum is σ = 3582764640. Its totient is φ = 452551680.

The previous prime is 1445215103. The next prime is 1445215117. The reversal of 1445215116 is 6115125441.

It is not an unprimeable number, because it can be changed into a prime (1445215117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43245 + ... + 68996.

It is an arithmetic number, because the mean of its divisors is an integer number (74640930).

Almost surely, 2^1445215116 is an apocalyptic number.

It is an amenable number.

1445215116 is an abundant number, since it is smaller than the sum of its proper divisors (2137549524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1445215116 is a wasteful number, since it uses less digits than its factorization.

1445215116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112314 (or 112312 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The square root of 1445215116 is about 38015.9850063102. The cubic root of 1445215116 is about 1130.6048178404.

The spelling of 1445215116 in words is "one billion, four hundred forty-five million, two hundred fifteen thousand, one hundred sixteen".