1445253105 has 16 divisors (see below), whose sum is σ = 2312968320. Its totient is φ = 770613888.

The previous prime is 1445253101. The next prime is 1445253109. The reversal of 1445253105 is 5013525441.

It is an interprime number because it is at equal distance from previous prime (1445253101) and next prime (1445253109).

It is not a de Polignac number, because 1445253105 - 2² = 1445253101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1445253101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70461 + ... + 88629.

It is an arithmetic number, because the mean of its divisors is an integer number (144560520).

Almost surely, 2^1445253105 is an apocalyptic number.

1445253105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1445253105 is a deficient number, since it is larger than the sum of its proper divisors (867715215).

1445253105 is a wasteful number, since it uses less digits than its factorization.

1445253105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23480.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1445253105 is about 38016.4846481102. The cubic root of 1445253105 is about 1130.6147241327.

Adding to 1445253105 its reverse (5013525441), we get a palindrome (6458778546).

The spelling of 1445253105 in words is "one billion, four hundred forty-five million, two hundred fifty-three thousand, one hundred five".