180428598745 has 8 divisors (see below), whose sum is σ = 229250454984. Its totient is φ = 135852121344.

The previous prime is 180428598733. The next prime is 180428598767. The reversal of 180428598745 is 547895824081.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 85390190656 + 95038408089 = 292216^2 + 308283^2 .

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 180428598745 - 2¹⁹ = 180428074457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1061344614 + ... + 1061344783.

It is an arithmetic number, because the mean of its divisors is an integer number (28656306873).

Almost surely, 2^180428598745 is an apocalyptic number.

It is an amenable number.

180428598745 is a deficient number, since it is larger than the sum of its proper divisors (48821856239).

180428598745 is a wasteful number, since it uses less digits than its factorization.

180428598745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122689419.

The product of its (nonzero) digits is 25804800, while the sum is 61.

The spelling of 180428598745 in words is "one hundred eighty billion, four hundred twenty-eight million, five hundred ninety-eight thousand, seven hundred forty-five".