1445224915 has 8 divisors (see below), whose sum is σ = 1734476400. Its totient is φ = 1156042272.

The previous prime is 1445224901. The next prime is 1445224931. The reversal of 1445224915 is 5194225441.

1445224915 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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 1445224915 - 2¹³ = 1445216723 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62812 + ... + 82678.

It is an arithmetic number, because the mean of its divisors is an integer number (216809550).

Almost surely, 2^1445224915 is an apocalyptic number.

1445224915 is a deficient number, since it is larger than the sum of its proper divisors (289251485).

1445224915 is a wasteful number, since it uses less digits than its factorization.

1445224915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34421.

The product of its digits is 57600, while the sum is 37.

The square root of 1445224915 is about 38016.1138860878. The cubic root of 1445224915 is about 1130.6073731166.

The spelling of 1445224915 in words is "one billion, four hundred forty-five million, two hundred twenty-four thousand, nine hundred fifteen".