1445885441 has 16 divisors (see below), whose sum is σ = 1941330048. Its totient is φ = 1039996800.

The previous prime is 1445885437. The next prime is 1445885473.

1445885441 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 1445885441 - 2² = 1445885437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1445885392 and 1445885401.

It is not an unprimeable number, because it can be changed into a prime (1445885401) 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, 721220 + ... + 723221.

It is an arithmetic number, because the mean of its divisors is an integer number (121333128).

Almost surely, 2^1445885441 is an apocalyptic number.

1445885441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1445885441 is a deficient number, since it is larger than the sum of its proper divisors (495444607).

1445885441 is a wasteful number, since it uses less digits than its factorization.

1445885441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444472.

The product of its digits is 409600, while the sum is 44.

The square root of 1445885441 is about 38024.8003413562. The cubic root of 1445885441 is about 1130.7795912526.

It can be divided in two parts, 14458 and 85441, that added together give a palindrome (99899).

The spelling of 1445885441 in words is "one billion, four hundred forty-five million, eight hundred eighty-five thousand, four hundred forty-one".