1445604345 has 24 divisors (see below), whose sum is σ = 2507858496. Its totient is φ = 770329248.

The previous prime is 1445604343. The next prime is 1445604361. The reversal of 1445604345 is 5434065441.

1445604345 is a `hidden beast` number, since 1 + 4 + 4 + 5 + 604 + 3 + 45 = 666.

It is not a de Polignac number, because 1445604345 - 2¹ = 1445604343 is a prime.

It is a super-3 number, since 3×1445604345³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1445604343) 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 23 ways as a sum of consecutive naturals, for example, 41902 + ... + 68168.

It is an arithmetic number, because the mean of its divisors is an integer number (104494104).

Almost surely, 2^1445604345 is an apocalyptic number.

1445604345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1445604345 is a deficient number, since it is larger than the sum of its proper divisors (1062254151).

1445604345 is a wasteful number, since it uses less digits than its factorization.

1445604345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27501 (or 27498 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 1445604345 is about 38021.1039424160. The cubic root of 1445604345 is about 1130.7063078486.

Adding to 1445604345 its reverse (5434065441), we get a palindrome (6879669786).

The spelling of 1445604345 in words is "one billion, four hundred forty-five million, six hundred four thousand, three hundred forty-five".