1845450504 has 96 divisors (see below), whose sum is σ = 5310110520. Its totient is φ = 576995328.

The previous prime is 1845450427. The next prime is 1845450533. The reversal of 1845450504 is 4050545481.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 827712900 + 1017737604 = 28770^2 + 31902^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 380704 + ... + 385520.

Almost surely, 2^1845450504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1845450504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2655055260).

1845450504 is an abundant number, since it is smaller than the sum of its proper divisors (3464660016).

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

1845450504 is a wasteful number, since it uses less digits than its factorization.

1845450504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5159 (or 5152 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

The square root of 1845450504 is about 42958.7069637809. The cubic root of 1845450504 is about 1226.5938999972.

Adding to 1845450504 its reverse (4050545481), we get a palindrome (5895995985).

The spelling of 1845450504 in words is "one billion, eight hundred forty-five million, four hundred fifty thousand, five hundred four".