1445245415 has 16 divisors (see below), whose sum is σ = 1767830400. Its totient is φ = 1133931552.

The previous prime is 1445245397. The next prime is 1445245423. The reversal of 1445245415 is 5145425441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1445245415 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125156 + ... + 136214.

It is an arithmetic number, because the mean of its divisors is an integer number (110489400).

Almost surely, 2^1445245415 is an apocalyptic number.

1445245415 is a deficient number, since it is larger than the sum of its proper divisors (322584985).

1445245415 is a wasteful number, since it uses less digits than its factorization.

1445245415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11566.

The product of its digits is 64000, while the sum is 35.

The square root of 1445245415 is about 38016.3835076405. The cubic root of 1445245415 is about 1130.6127188455.

The spelling of 1445245415 in words is "one billion, four hundred forty-five million, two hundred forty-five thousand, four hundred fifteen".