1045500230025 has 72 divisors (see below), whose sum is σ = 1891157406840. Its totient is φ = 552086814720.

The previous prime is 1045500230017. The next prime is 1045500230041. The reversal of 1045500230025 is 5200320055401.

It is a happy number.

1045500230025 is a `hidden beast` number, since 104 + 5 + 500 + 2 + 30 + 0 + 25 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 60362593344 + 985137636681 = 245688^2 + 992541^2 .

It is not a de Polignac number, because 1045500230025 - 2³ = 1045500230017 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 24819181 + ... + 24861269.

It is an arithmetic number, because the mean of its divisors is an integer number (26266075095).

Almost surely, 2^{1045500230025} is an apocalyptic number.

1045500230025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1045500230025 is a deficient number, since it is larger than the sum of its proper divisors (845657176815).

1045500230025 is a wasteful number, since it uses less digits than its factorization.

1045500230025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43195 (or 43187 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 1045500230025 its reverse (5200320055401), we get a palindrome (6245820285426).

The spelling of 1045500230025 in words is "one trillion, forty-five billion, five hundred million, two hundred thirty thousand, twenty-five".