1303145250 has 128 divisors (see below), whose sum is σ = 3571236864. Its totient is φ = 313880000.

The previous prime is 1303145219. The next prime is 1303145269. The reversal of 1303145250 is 525413031.

It is a self number, because there is not a number n which added to its sum of digits gives 1303145250.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1575337 + ... + 1576163.

It is an arithmetic number, because the mean of its divisors is an integer number (27900288).

Almost surely, 2^1303145250 is an apocalyptic number.

1303145250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303145250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1785618432).

1303145250 is an abundant number, since it is smaller than the sum of its proper divisors (2268091614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1303145250 is a wasteful number, since it uses less digits than its factorization.

1303145250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1303145250 is about 36099.1031744557. The cubic root of 1303145250 is about 1092.2723545465.

Adding to 1303145250 its reverse (525413031), we get a palindrome (1828558281).

The spelling of 1303145250 in words is "one billion, three hundred three million, one hundred forty-five thousand, two hundred fifty".