32077173145 has 4 divisors (see below), whose sum is σ = 38492607780. Its totient is φ = 25661738512.

The previous prime is 32077173137. The next prime is 32077173173. The reversal of 32077173145 is 54137177023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5608811664 + 26468361481 = 74892^2 + 162691^2 .

It is a cyclic number.

It is not a de Polignac number, because 32077173145 - 2³ = 32077173137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32077173098 and 32077173107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3207717310 + ... + 3207717319.

It is an arithmetic number, because the mean of its divisors is an integer number (9623151945).

Almost surely, 2^32077173145 is an apocalyptic number.

It is an amenable number.

32077173145 is a deficient number, since it is larger than the sum of its proper divisors (6415434635).

32077173145 is an equidigital number, since it uses as much as digits as its factorization.

32077173145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6415434634.

The product of its (nonzero) digits is 123480, while the sum is 40.

The spelling of 32077173145 in words is "thirty-two billion, seventy-seven million, one hundred seventy-three thousand, one hundred forty-five".