1303628045 has 18 divisors (see below), whose sum is σ = 1594667466. Its totient is φ = 1023073920.

The previous prime is 1303628023. The next prime is 1303628101. The reversal of 1303628045 is 5408263031.

It can be written as a sum of positive squares in 3 ways, for example, as 398641156 + 904986889 = 19966^2 + 30083^2 .

It is not a de Polignac number, because 1303628045 - 2⁸ = 1303627789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5409125 + ... + 5409365.

It is an arithmetic number, because the mean of its divisors is an integer number (88592637).

Almost surely, 2^1303628045 is an apocalyptic number.

It is an amenable number.

1303628045 is a deficient number, since it is larger than the sum of its proper divisors (291039421).

1303628045 is an frugal number, since it uses more digits than its factorization.

1303628045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1303628045 is about 36105.7896326891. The cubic root of 1303628045 is about 1092.4072278516.

The spelling of 1303628045 in words is "one billion, three hundred three million, six hundred twenty-eight thousand, forty-five".