1445426113 has 2 divisors, whose sum is σ = 1445426114. Its totient is φ = 1445426112.

The previous prime is 1445426093. The next prime is 1445426131. The reversal of 1445426113 is 3116245441.

Together with next prime (1445426131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1438836624 + 6589489 = 37932^2 + 2567^2 .

It is an emirp because it is prime and its reverse (3116245441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1445426113 - 2¹³ = 1445417921 is a prime.

It is not a weakly prime, because it can be changed into another prime (1445426713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722713056 + 722713057.

It is an arithmetic number, because the mean of its divisors is an integer number (722713057).

Almost surely, 2^1445426113 is an apocalyptic number.

It is an amenable number.

1445426113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445426113 is an equidigital number, since it uses as much as digits as its factorization.

1445426113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 31.

The square root of 1445426113 is about 38018.7600139720. The cubic root of 1445426113 is about 1130.6598367815.

The spelling of 1445426113 in words is "one billion, four hundred forty-five million, four hundred twenty-six thousand, one hundred thirteen".