1365145552 has 20 divisors (see below), whose sum is σ = 2681204260. Its totient is φ = 673221888.

The previous prime is 1365145541. The next prime is 1365145589. The reversal of 1365145552 is 2555415631.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 678915136 + 686230416 = 26056^2 + 26196^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583227 + ... + 585562.

It is an arithmetic number, because the mean of its divisors is an integer number (134060213).

Almost surely, 2^1365145552 is an apocalyptic number.

It is an amenable number.

1365145552 is a deficient number, since it is larger than the sum of its proper divisors (1316058708).

1365145552 is a wasteful number, since it uses less digits than its factorization.

1365145552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168870 (or 1168864 counting only the distinct ones).

The product of its digits is 90000, while the sum is 37.

The square root of 1365145552 is about 36947.8761500577. The cubic root of 1365145552 is about 1109.3271771352.

The spelling of 1365145552 in words is "one billion, three hundred sixty-five million, one hundred forty-five thousand, five hundred fifty-two".