1445135245 has 8 divisors (see below), whose sum is σ = 1734516216. Its totient is φ = 1155872256.

The previous prime is 1445135243. The next prime is 1445135257. The reversal of 1445135245 is 5425315441.

It can be written as a sum of positive squares in 4 ways, for example, as 440118441 + 1005016804 = 20979^2 + 31702^2 .

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 1445135245 - 2¹ = 1445135243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1445135245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445135243) 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, 169 + ... + 53761.

It is an arithmetic number, because the mean of its divisors is an integer number (216814527).

Almost surely, 2^1445135245 is an apocalyptic number.

It is an amenable number.

1445135245 is a deficient number, since it is larger than the sum of its proper divisors (289380971).

1445135245 is an equidigital number, since it uses as much as digits as its factorization.

1445135245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58991.

The product of its digits is 48000, while the sum is 34.

The square root of 1445135245 is about 38014.9344994832. The cubic root of 1445135245 is about 1130.5839895221.

The spelling of 1445135245 in words is "one billion, four hundred forty-five million, one hundred thirty-five thousand, two hundred forty-five".