975655145 has 8 divisors (see below), whose sum is σ = 1171253256. Its totient is φ = 780212736.

The previous prime is 975655141. The next prime is 975655151. The reversal of 975655145 is 541556579.

975655145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 206813161 + 768841984 = 14381^2 + 27728^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 975655145 - 2² = 975655141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 975655145.

It is not an unprimeable number, because it can be changed into a prime (975655141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24662 + ... + 50591.

It is an arithmetic number, because the mean of its divisors is an integer number (146406657).

Almost surely, 2^975655145 is an apocalyptic number.

It is an amenable number.

975655145 is a deficient number, since it is larger than the sum of its proper divisors (195598111).

975655145 is a wasteful number, since it uses less digits than its factorization.

975655145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77851.

The product of its digits is 945000, while the sum is 47.

The square root of 975655145 is about 31235.4789462240. The cubic root of 975655145 is about 991.8182905256.

The spelling of 975655145 in words is "nine hundred seventy-five million, six hundred fifty-five thousand, one hundred forty-five".