755289945 has 24 divisors (see below), whose sum is σ = 1310394696. Its totient is φ = 402444288.

The previous prime is 755289943. The next prime is 755289947. The reversal of 755289945 is 549982557.

755289945 is a `hidden beast` number, since 7 + 552 + 89 + 9 + 4 + 5 = 666.

755289945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (755289943) and next prime (755289947).

It can be written as a sum of positive squares in 4 ways, for example, as 61968384 + 693321561 = 7872^2 + 26331^2 .

It is not a de Polignac number, because 755289945 - 2¹ = 755289943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 755289891 and 755289900.

It is not an unprimeable number, because it can be changed into a prime (755289943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44607 + ... + 59163.

It is an arithmetic number, because the mean of its divisors is an integer number (54599779).

Almost surely, 2^755289945 is an apocalyptic number.

It is an amenable number.

755289945 is a deficient number, since it is larger than the sum of its proper divisors (555104751).

755289945 is a wasteful number, since it uses less digits than its factorization.

755289945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15721 (or 15718 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 54.

The square root of 755289945 is about 27482.5389110977. The cubic root of 755289945 is about 910.6913978364.

The spelling of 755289945 in words is "seven hundred fifty-five million, two hundred eighty-nine thousand, nine hundred forty-five".