1042144145501 has 4 divisors (see below), whose sum is σ = 1049751037212. Its totient is φ = 1034537253792.

The previous prime is 1042144145453. The next prime is 1042144145507. The reversal of 1042144145501 is 1055414412401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 883927150276 + 158216995225 = 940174^2 + 397765^2 .

It is not a de Polignac number, because 1042144145501 - 2³⁰ = 1041070403677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042144145507) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3803445650 + ... + 3803445923.

It is an arithmetic number, because the mean of its divisors is an integer number (262437759303).

Almost surely, 2^{1042144145501} is an apocalyptic number.

It is an amenable number.

1042144145501 is a deficient number, since it is larger than the sum of its proper divisors (7606891711).

1042144145501 is an equidigital number, since it uses as much as digits as its factorization.

1042144145501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7606891710.

The product of its (nonzero) digits is 12800, while the sum is 32.

Adding to 1042144145501 its reverse (1055414412401), we get a palindrome (2097558557902).

The spelling of 1042144145501 in words is "one trillion, forty-two billion, one hundred forty-four million, one hundred forty-five thousand, five hundred one".