145561006751577 has 16 divisors (see below), whose sum is σ = 196297581839040. Its totient is φ = 95932946419200.

The previous prime is 145561006751539. The next prime is 145561006751579. The reversal of 145561006751577 is 775157600165541.

It is a happy number.

It is not a de Polignac number, because 145561006751577 - 2²⁸ = 145560738316121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145561006751577.

It is not an unprimeable number, because it can be changed into a prime (145561006751579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47898499 + ... + 50846712.

It is an arithmetic number, because the mean of its divisors is an integer number (12268598864940).

Almost surely, 2^{145561006751577} is an apocalyptic number.

It is an amenable number.

145561006751577 is a deficient number, since it is larger than the sum of its proper divisors (50736575087463).

145561006751577 is an equidigital number, since it uses as much as digits as its factorization.

145561006751577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98750824.

The product of its (nonzero) digits is 30870000, while the sum is 60.

The spelling of 145561006751577 in words is "one hundred forty-five trillion, five hundred sixty-one billion, six million, seven hundred fifty-one thousand, five hundred seventy-seven".