1144535004225 has 36 divisors (see below), whose sum is σ = 2050079397756. Its totient is φ = 610391859840.

The previous prime is 1144535004161. The next prime is 1144535004253. The reversal of 1144535004225 is 5224005354411.

1144535004225 is a `hidden beast` number, since 1 + 1 + 44 + 53 + 500 + 42 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 434143938816 + 710391065409 = 658896^2 + 842847^2 .

It is not a de Polignac number, because 1144535004225 - 2⁶ = 1144535004161 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144535004225.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5691087 + ... + 5888763.

Almost surely, 2^{1144535004225} is an apocalyptic number.

1144535004225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1144535004225 is a deficient number, since it is larger than the sum of its proper divisors (905544393531).

1144535004225 is a wasteful number, since it uses less digits than its factorization.

1144535004225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223426 (or 223418 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 1144535004225 in words is "one trillion, one hundred forty-four billion, five hundred thirty-five million, four thousand, two hundred twenty-five".