1445255353 has 4 divisors (see below), whose sum is σ = 1446224868. Its totient is φ = 1444285840.

The previous prime is 1445255303. The next prime is 1445255363. The reversal of 1445255353 is 3535525441.

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 1004129344 + 441126009 = 31688^2 + 21003^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1445255353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1445255303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482518 + ... + 485503.

It is an arithmetic number, because the mean of its divisors is an integer number (361556217).

Almost surely, 2^1445255353 is an apocalyptic number.

It is an amenable number.

1445255353 is a deficient number, since it is larger than the sum of its proper divisors (969515).

1445255353 is an equidigital number, since it uses as much as digits as its factorization.

1445255353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969514.

The product of its digits is 180000, while the sum is 37.

The square root of 1445255353 is about 38016.5142142201. The cubic root of 1445255353 is about 1130.6153103323.

It can be divided in two parts, 144525 and 5353, that added together give a triangular number (149878 = T₅₄₇).

The spelling of 1445255353 in words is "one billion, four hundred forty-five million, two hundred fifty-five thousand, three hundred fifty-three".