39546000145 has 4 divisors (see below), whose sum is σ = 47455200180. Its totient is φ = 31636800112.

The previous prime is 39546000121. The next prime is 39546000163. The reversal of 39546000145 is 54100064593.

39546000145 = 140616² + 140617².

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 19773140689 + 19772859456 = 140617^2 + 140616^2 .

It is a cyclic number.

It is not a de Polignac number, because 39546000145 - 2¹¹ = 39545998097 is a prime.

It is a super-2 number, since 2×39546000145² (a number of 22 digits) contains 22 as substring.

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, 3954600010 + ... + 3954600019.

It is an arithmetic number, because the mean of its divisors is an integer number (11863800045).

Almost surely, 2^39546000145 is an apocalyptic number.

39546000145 is the 140617-th centered square number.

It is an amenable number.

39546000145 is a deficient number, since it is larger than the sum of its proper divisors (7909200035).

39546000145 is an equidigital number, since it uses as much as digits as its factorization.

39546000145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7909200034.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 39546000145 in words is "thirty-nine billion, five hundred forty-six million, one hundred forty-five", and thus it is an aban number.