1445426105 has 8 divisors (see below), whose sum is σ = 1836541512. Its totient is φ = 1088320768.

The previous prime is 1445426093. The next prime is 1445426113. The reversal of 1445426105 is 5016245441.

It can be written as a sum of positive squares in 4 ways, for example, as 757570576 + 687855529 = 27524^2 + 26227^2 .

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 1445426105 - 2¹⁶ = 1445360569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8502422 + ... + 8502591.

It is an arithmetic number, because the mean of its divisors is an integer number (229567689).

Almost surely, 2^1445426105 is an apocalyptic number.

It is an amenable number.

1445426105 is a deficient number, since it is larger than the sum of its proper divisors (391115407).

1445426105 is a wasteful number, since it uses less digits than its factorization.

1445426105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17005035.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 1445426105 is about 38018.7599087608. The cubic root of 1445426105 is about 1130.6598346956.

The spelling of 1445426105 in words is "one billion, four hundred forty-five million, four hundred twenty-six thousand, one hundred five".