1604022445 has 8 divisors (see below), whose sum is σ = 1925042400. Its totient is φ = 1283074320.

The previous prime is 1604022443. The next prime is 1604022463. The reversal of 1604022445 is 5442204061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1604022445 - 2¹ = 1604022443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604022443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73890 + ... + 93100.

It is an arithmetic number, because the mean of its divisors is an integer number (240630300).

Almost surely, 2^1604022445 is an apocalyptic number.

It is an amenable number.

1604022445 is a deficient number, since it is larger than the sum of its proper divisors (321019955).

1604022445 is a wasteful number, since it uses less digits than its factorization.

1604022445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35915.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1604022445 is about 40050.2490004744. The cubic root of 1604022445 is about 1170.5864167734.

The spelling of 1604022445 in words is "one billion, six hundred four million, twenty-two thousand, four hundred forty-five".