1445441604 has 24 divisors (see below), whose sum is σ = 3427988928. Its totient is φ = 473915040.

The previous prime is 1445441567. The next prime is 1445441629. The reversal of 1445441604 is 4061445441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 986592 + ... + 988055.

It is an arithmetic number, because the mean of its divisors is an integer number (142832872).

Almost surely, 2^1445441604 is an apocalyptic number.

It is an amenable number.

1445441604 is an abundant number, since it is smaller than the sum of its proper divisors (1982547324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1445441604 is a wasteful number, since it uses less digits than its factorization.

1445441604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974715 (or 1974713 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 1445441604 is about 38018.9637417960. The cubic root of 1445441604 is about 1130.6638759570.

The spelling of 1445441604 in words is "one billion, four hundred forty-five million, four hundred forty-one thousand, six hundred four".