1445725418 has 8 divisors (see below), whose sum is σ = 2168830080. Its totient is φ = 722782060.

The previous prime is 1445725381. The next prime is 1445725451. The reversal of 1445725418 is 8145275441.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14648 + ... + 55731.

It is an arithmetic number, because the mean of its divisors is an integer number (271103760).

Almost surely, 2^1445725418 is an apocalyptic number.

1445725418 is a deficient number, since it is larger than the sum of its proper divisors (723104662).

1445725418 is a wasteful number, since it uses less digits than its factorization.

1445725418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80652.

The product of its digits is 179200, while the sum is 41.

The square root of 1445725418 is about 38022.6960906246. The cubic root of 1445725418 is about 1130.7378734665.

The spelling of 1445725418 in words is "one billion, four hundred forty-five million, seven hundred twenty-five thousand, four hundred eighteen".