1044145523 has 2 divisors, whose sum is σ = 1044145524. Its totient is φ = 1044145522.

The previous prime is 1044145519. The next prime is 1044145567. The reversal of 1044145523 is 3255414401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1044145523 - 2² = 1044145519 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1044105523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522072761 + 522072762.

It is an arithmetic number, because the mean of its divisors is an integer number (522072762).

Almost surely, 2^1044145523 is an apocalyptic number.

1044145523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044145523 is an equidigital number, since it uses as much as digits as its factorization.

1044145523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1044145523 is about 32313.2406762305. The cubic root of 1044145523 is about 1014.5037971934.

Adding to 1044145523 its reverse (3255414401), we get a palindrome (4299559924).

The spelling of 1044145523 in words is "one billion, forty-four million, one hundred forty-five thousand, five hundred twenty-three".