1345263552 has 84 divisors (see below), whose sum is σ = 3998814456. Its totient is φ = 448416000.

The previous prime is 1345263539. The next prime is 1345263611. The reversal of 1345263552 is 2553625431.

1345263552 is a `hidden beast` number, since 1 + 3 + 45 + 2 + 63 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 27699 + ... + 58802.

It is an arithmetic number, because the mean of its divisors is an integer number (47604934).

Almost surely, 2^1345263552 is an apocalyptic number.

1345263552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1345263552 is an abundant number, since it is smaller than the sum of its proper divisors (2653550904).

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

1345263552 is an frugal number, since it uses more digits than its factorization.

1345263552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86528 (or 86506 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 1345263552 is about 36677.8346143826. The cubic root of 1345263552 is about 1103.9153999444.

Adding to 1345263552 its reverse (2553625431), we get a palindrome (3898888983).

The spelling of 1345263552 in words is "one billion, three hundred forty-five million, two hundred sixty-three thousand, five hundred fifty-two".