1445644101 has 16 divisors (see below), whose sum is σ = 2103441408. Its totient is φ = 875862000.

The previous prime is 1445644099. The next prime is 1445644141. The reversal of 1445644101 is 1014465441.

It is not a de Polignac number, because 1445644101 - 2¹ = 1445644099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445644141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141826 + ... + 151676.

It is an arithmetic number, because the mean of its divisors is an integer number (131465088).

Almost surely, 2^1445644101 is an apocalyptic number.

1445644101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1445644101 is a deficient number, since it is larger than the sum of its proper divisors (657797307).

1445644101 is a wasteful number, since it uses less digits than its factorization.

1445644101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14312.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 1445644101 is about 38021.6267537306. The cubic root of 1445644101 is about 1130.7166730517.

It can be divided in two parts, 1445 and 644101, that added together give a palindrome (645546).

The spelling of 1445644101 in words is "one billion, four hundred forty-five million, six hundred forty-four thousand, one hundred one".