180228534 has 16 divisors (see below), whose sum is σ = 360685872. Its totient is φ = 60038048.

The previous prime is 180228527. The next prime is 180228551. The reversal of 180228534 is 435822081.

It is a junction number, because it is equal to n+sod(n) for n = 180228495 and 180228504.

It is a congruent 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, 1732 + ... + 19064.

It is an arithmetic number, because the mean of its divisors is an integer number (22542867).

Almost surely, 2^180228534 is an apocalyptic number.

180228534 is an abundant number, since it is smaller than the sum of its proper divisors (180457338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

180228534 is a wasteful number, since it uses less digits than its factorization.

180228534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19071.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 180228534 is about 13424.9221226791. The cubic root of 180228534 is about 564.8604704139.

The spelling of 180228534 in words is "one hundred eighty million, two hundred twenty-eight thousand, five hundred thirty-four".