1345163752 has 32 divisors (see below), whose sum is σ = 2606635080. Its totient is φ = 650352640.

The previous prime is 1345163737. The next prime is 1345163761. The reversal of 1345163752 is 2573615431.

It can be written as a sum of positive squares in 4 ways, for example, as 71673156 + 1273490596 = 8466^2 + 35686^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18918 + ... + 55210.

Almost surely, 2^1345163752 is an apocalyptic number.

It is an amenable number.

1345163752 is a deficient number, since it is larger than the sum of its proper divisors (1261471328).

1345163752 is a wasteful number, since it uses less digits than its factorization.

1345163752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36453 (or 36449 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The square root of 1345163752 is about 36676.4740944382. The cubic root of 1345163752 is about 1103.8881008373. Note that the first 3 decimals are identical.

The spelling of 1345163752 in words is "one billion, three hundred forty-five million, one hundred sixty-three thousand, seven hundred fifty-two".