1445531105 has 8 divisors (see below), whose sum is σ = 1735618752. Its totient is φ = 1155770608.

The previous prime is 1445531057. The next prime is 1445531167. The reversal of 1445531105 is 5011355441.

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 1445531105 - 2¹² = 1445527009 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, 71957 + ... + 89826.

It is an arithmetic number, because the mean of its divisors is an integer number (216952344).

Almost surely, 2^1445531105 is an apocalyptic number.

It is an amenable number.

1445531105 is a deficient number, since it is larger than the sum of its proper divisors (290087647).

1445531105 is a wasteful number, since it uses less digits than its factorization.

1445531105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163575.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 1445531105 is about 38020.1407809072. The cubic root of 1445531105 is about 1130.6872121837.

Adding to 1445531105 its reverse (5011355441), we get a palindrome (6456886546).

The spelling of 1445531105 in words is "one billion, four hundred forty-five million, five hundred thirty-one thousand, one hundred five".