180464 has 10 divisors (see below), whose sum is σ = 349680. Its totient is φ = 90224.

The previous prime is 180463. The next prime is 180473. The reversal of 180464 is 464081.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5624 + ... + 5655.

It is an arithmetic number, because the mean of its divisors is an integer number (34968).

2¹⁸⁰⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

180464 is a deficient number, since it is larger than the sum of its proper divisors (169216).

180464 is a wasteful number, since it uses less digits than its factorization.

180464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11287 (or 11281 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 180464 is about 424.8105460085. The cubic root of 180464 is about 56.5106357402.

The spelling of 180464 in words is "one hundred eighty thousand, four hundred sixty-four".