1445600165 has 4 divisors (see below), whose sum is σ = 1734720204. Its totient is φ = 1156480128.

The previous prime is 1445600147. The next prime is 1445600171. The reversal of 1445600165 is 5610065441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 604078084 + 841522081 = 24578^2 + 29009^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1445600165 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144560012 + ... + 144560021.

It is an arithmetic number, because the mean of its divisors is an integer number (433680051).

Almost surely, 2^1445600165 is an apocalyptic number.

It is an amenable number.

1445600165 is a deficient number, since it is larger than the sum of its proper divisors (289120039).

1445600165 is an equidigital number, since it uses as much as digits as its factorization.

1445600165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289120038.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1445600165 is about 38021.0489729045. The cubic root of 1445600165 is about 1130.7052180260.

The spelling of 1445600165 in words is "one billion, four hundred forty-five million, six hundred thousand, one hundred sixty-five".