1044145525523 has 8 divisors (see below), whose sum is σ = 1049188896336. Its totient is φ = 1039103049600.

The previous prime is 1044145525519. The next prime is 1044145525529. The reversal of 1044145525523 is 3255255414401.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1044145525523 - 2² = 1044145525519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1044145525529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2177543 + ... + 2613423.

It is an arithmetic number, because the mean of its divisors is an integer number (131148612042).

Almost surely, 2^{1044145525523} is an apocalyptic number.

1044145525523 is a deficient number, since it is larger than the sum of its proper divisors (5043370813).

1044145525523 is a wasteful number, since it uses less digits than its factorization.

1044145525523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447445.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 1044145525523 in words is "one trillion, forty-four billion, one hundred forty-five million, five hundred twenty-five thousand, five hundred twenty-three".