1445004045 has 12 divisors (see below), whose sum is σ = 2504673756. Its totient is φ = 770668800.

The previous prime is 1445004019. The next prime is 1445004047. The reversal of 1445004045 is 5404005441.

It can be written as a sum of positive squares in 2 ways, for example, as 515607849 + 929396196 = 22707^2 + 30486^2 .

It is not a de Polignac number, because 1445004045 - 2⁶ = 1445003981 is a prime.

It is a super-3 number, since 3×1445004045³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445004047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16055556 + ... + 16055645.

It is an arithmetic number, because the mean of its divisors is an integer number (208722813).

Almost surely, 2^1445004045 is an apocalyptic number.

1445004045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1445004045 is a deficient number, since it is larger than the sum of its proper divisors (1059669711).

1445004045 is a wasteful number, since it uses less digits than its factorization.

1445004045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32111212 (or 32111209 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 1445004045 is about 38013.2088227237. The cubic root of 1445004045 is about 1130.5497742450.

Adding to 1445004045 its reverse (5404005441), we get a palindrome (6849009486).

The spelling of 1445004045 in words is "one billion, four hundred forty-five million, four thousand, forty-five".