145717652825 has 6 divisors (see below), whose sum is σ = 180689889534. Its totient is φ = 116574122240.

The previous prime is 145717652803. The next prime is 145717652851. The reversal of 145717652825 is 528256717541.

It can be written as a sum of positive squares in 3 ways, for example, as 7143123289 + 138574529536 = 84517^2 + 372256^2 .

It is not a de Polignac number, because 145717652825 - 2¹² = 145717648729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2914353032 + ... + 2914353081.

It is an arithmetic number, because the mean of its divisors is an integer number (30114981589).

Almost surely, 2^145717652825 is an apocalyptic number.

It is an amenable number.

145717652825 is a deficient number, since it is larger than the sum of its proper divisors (34972236709).

145717652825 is an equidigital number, since it uses as much as digits as its factorization.

145717652825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5828706123 (or 5828706118 counting only the distinct ones).

The product of its digits is 4704000, while the sum is 53.

The spelling of 145717652825 in words is "one hundred forty-five billion, seven hundred seventeen million, six hundred fifty-two thousand, eight hundred twenty-five".