1445065733 has 8 divisors (see below), whose sum is σ = 1466731800. Its totient is φ = 1423450368.

The previous prime is 1445065717. The next prime is 1445065751. The reversal of 1445065733 is 3375605441.

It can be written as a sum of positive squares in 4 ways, for example, as 268369924 + 1176695809 = 16382^2 + 34303^2 .

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 1445065733 - 2⁴ = 1445065717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445065753) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 46823 + ... + 71291.

It is an arithmetic number, because the mean of its divisors is an integer number (183341475).

Almost surely, 2^1445065733 is an apocalyptic number.

It is an amenable number.

1445065733 is a deficient number, since it is larger than the sum of its proper divisors (21666067).

1445065733 is an equidigital number, since it uses as much as digits as its factorization.

1445065733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25351.

The product of its (nonzero) digits is 151200, while the sum is 38.

The square root of 1445065733 is about 38014.0202162307. The cubic root of 1445065733 is about 1130.5658619421.

The spelling of 1445065733 in words is "one billion, four hundred forty-five million, sixty-five thousand, seven hundred thirty-three".