1003144354442 has 4 divisors (see below), whose sum is σ = 1504716531666. Its totient is φ = 501572177220.

The previous prime is 1003144354427. The next prime is 1003144354447. The reversal of 1003144354442 is 2444534413001.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 550577356081 + 452566998361 = 742009^2 + 672731^2 .

It is not an unprimeable number, because it can be changed into a prime (1003144354447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250786088609 + ... + 250786088612.

Almost surely, 2^{1003144354442} is an apocalyptic number.

1003144354442 is a deficient number, since it is larger than the sum of its proper divisors (501572177224).

1003144354442 is an equidigital number, since it uses as much as digits as its factorization.

1003144354442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501572177223.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 1003144354442 its reverse (2444534413001), we get a palindrome (3447678767443).

The spelling of 1003144354442 in words is "one trillion, three billion, one hundred forty-four million, three hundred fifty-four thousand, four hundred forty-two".