180500148401 has 4 divisors (see below), whose sum is σ = 180553665012. Its totient is φ = 180446631792.

The previous prime is 180500148359. The next prime is 180500148403. The reversal of 180500148401 is 104841005081.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104841005081 = 179 ⋅585703939.

It can be written as a sum of positive squares in 2 ways, for example, as 161559783025 + 18940365376 = 401945^2 + 137624^2 .

It is a cyclic number.

It is not a de Polignac number, because 180500148401 - 2⁶ = 180500148337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (180500148403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26753246 + ... + 26759991.

It is an arithmetic number, because the mean of its divisors is an integer number (45138416253).

Almost surely, 2^180500148401 is an apocalyptic number.

It is an amenable number.

180500148401 is a deficient number, since it is larger than the sum of its proper divisors (53516611).

180500148401 is an equidigital number, since it uses as much as digits as its factorization.

180500148401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53516610.

The product of its (nonzero) digits is 5120, while the sum is 32.

The spelling of 180500148401 in words is "one hundred eighty billion, five hundred million, one hundred forty-eight thousand, four hundred one".