180142516 has 24 divisors (see below), whose sum is σ = 322028000. Its totient is φ = 88149600.

The previous prime is 180142507. The next prime is 180142531. The reversal of 180142516 is 615241081.

180142516 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×180142516³ (a number of 26 digits) contains 333 as substring.

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, 49735 + ... + 53233.

Almost surely, 2^180142516 is an apocalyptic number.

It is an amenable number.

180142516 is a deficient number, since it is larger than the sum of its proper divisors (141885484).

180142516 is a wasteful number, since it uses less digits than its factorization.

180142516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3775 (or 3773 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 180142516 is about 13421.7180718416. The cubic root of 180142516 is about 564.7705921191.

Adding to 180142516 its reverse (615241081), we get a palindrome (795383597).

The spelling of 180142516 in words is "one hundred eighty million, one hundred forty-two thousand, five hundred sixteen".