1303244145 has 48 divisors (see below), whose sum is σ = 2599084800. Its totient is φ = 591748992.

The previous prime is 1303244141. The next prime is 1303244161. The reversal of 1303244145 is 5414423031.

It is a happy number.

It is not a de Polignac number, because 1303244145 - 2² = 1303244141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1303244141) 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 47 ways as a sum of consecutive naturals, for example, 33052 + ... + 60818.

It is an arithmetic number, because the mean of its divisors is an integer number (54147600).

Almost surely, 2^1303244145 is an apocalyptic number.

1303244145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1303244145 is a deficient number, since it is larger than the sum of its proper divisors (1295840655).

1303244145 is a wasteful number, since it uses less digits than its factorization.

1303244145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27934 (or 27931 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1303244145 is about 36100.4729193400. The cubic root of 1303244145 is about 1092.2999845036.

Adding to 1303244145 its reverse (5414423031), we get a palindrome (6717667176).

The spelling of 1303244145 in words is "one billion, three hundred three million, two hundred forty-four thousand, one hundred forty-five".