1204045445 has 8 divisors (see below), whose sum is σ = 1445796600. Its totient is φ = 962608320.

The previous prime is 1204045439. The next prime is 1204045457. The reversal of 1204045445 is 5445404021.

It can be written as a sum of positive squares in 4 ways, for example, as 377252929 + 826792516 = 19423^2 + 28754^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-1204045445 is a prime.

It is a congruent number.

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, 69986 + ... + 85475.

It is an arithmetic number, because the mean of its divisors is an integer number (180724575).

Almost surely, 2^1204045445 is an apocalyptic number.

It is an amenable number.

1204045445 is a deficient number, since it is larger than the sum of its proper divisors (241751155).

1204045445 is a wasteful number, since it uses less digits than its factorization.

1204045445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157015.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 1204045445 is about 34699.3579911790. The cubic root of 1204045445 is about 1063.8513761186.

Adding to 1204045445 its reverse (5445404021), we get a palindrome (6649449466).

The spelling of 1204045445 in words is "one billion, two hundred four million, forty-five thousand, four hundred forty-five".