1302323445 has 24 divisors (see below), whose sum is σ = 2335203000. Its totient is φ = 670621056.

The previous prime is 1302323401. The next prime is 1302323489. The reversal of 1302323445 is 5443232031.

It is an interprime number because it is at equal distance from previous prime (1302323401) and next prime (1302323489).

It can be written as a sum of positive squares in 4 ways, for example, as 63776196 + 1238547249 = 7986^2 + 35193^2 .

It is not a de Polignac number, because 1302323445 - 2⁷ = 1302323317 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 497670 + ... + 500279.

It is an arithmetic number, because the mean of its divisors is an integer number (97300125).

Almost surely, 2^1302323445 is an apocalyptic number.

1302323445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1302323445 is a deficient number, since it is larger than the sum of its proper divisors (1032879555).

1302323445 is a wasteful number, since it uses less digits than its factorization.

1302323445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997989 (or 997986 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 1302323445 is about 36087.7187558316. The cubic root of 1302323445 is about 1092.0426989905.

Adding to 1302323445 its reverse (5443232031), we get a palindrome (6745555476).

The spelling of 1302323445 in words is "one billion, three hundred two million, three hundred twenty-three thousand, four hundred forty-five".