1445202133 has 2 divisors, whose sum is σ = 1445202134. Its totient is φ = 1445202132.

The previous prime is 1445202131. The next prime is 1445202229. The reversal of 1445202133 is 3312025441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1258688484 + 186513649 = 35478^2 + 13657^2 .

It is a cyclic number.

It is not a de Polignac number, because 1445202133 - 2¹ = 1445202131 is a prime.

Together with 1445202131, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1445202098 and 1445202107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1445202131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722601066 + 722601067.

It is an arithmetic number, because the mean of its divisors is an integer number (722601067).

Almost surely, 2^1445202133 is an apocalyptic number.

It is an amenable number.

1445202133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445202133 is an equidigital number, since it uses as much as digits as its factorization.

1445202133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1445202133 is about 38015.8142488097. The cubic root of 1445202133 is about 1130.6014322576.

Adding to 1445202133 its reverse (3312025441), we get a palindrome (4757227574).

The spelling of 1445202133 in words is "one billion, four hundred forty-five million, two hundred two thousand, one hundred thirty-three".