1445328357 has 8 divisors (see below), whose sum is σ = 2102295840. Its totient is φ = 875956560.

The previous prime is 1445328343. The next prime is 1445328383. The reversal of 1445328357 is 7538235441.

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

It is not a de Polignac number, because 1445328357 - 2⁷ = 1445328229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445328317) 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, 21898882 + ... + 21898947.

It is an arithmetic number, because the mean of its divisors is an integer number (262786980).

Almost surely, 2^1445328357 is an apocalyptic number.

It is an amenable number.

1445328357 is a deficient number, since it is larger than the sum of its proper divisors (656967483).

1445328357 is a wasteful number, since it uses less digits than its factorization.

1445328357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43797843.

The product of its digits is 403200, while the sum is 42.

The square root of 1445328357 is about 38017.4743637712. The cubic root of 1445328357 is about 1130.6343468876.

The spelling of 1445328357 in words is "one billion, four hundred forty-five million, three hundred twenty-eight thousand, three hundred fifty-seven".