1302245144 has 8 divisors (see below), whose sum is σ = 2441709660. Its totient is φ = 651122568.

The previous prime is 1302245111. The next prime is 1302245149. The reversal of 1302245144 is 4415422031.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302245149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81390314 + ... + 81390329.

Almost surely, 2^1302245144 is an apocalyptic number.

It is an amenable number.

1302245144 is a deficient number, since it is larger than the sum of its proper divisors (1139464516).

1302245144 is a wasteful number, since it uses less digits than its factorization.

1302245144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162780649 (or 162780645 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1302245144 is about 36086.6338690657. The cubic root of 1302245144 is about 1092.0208125307.

Adding to 1302245144 its reverse (4415422031), we get a palindrome (5717667175).

The spelling of 1302245144 in words is "one billion, three hundred two million, two hundred forty-five thousand, one hundred forty-four".