102018156 has 72 divisors (see below), whose sum is σ = 264069120. Its totient is φ = 30590208.

The previous prime is 102018121. The next prime is 102018193. The reversal of 102018156 is 651810201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79125 + ... + 80403.

Almost surely, 2^102018156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102018156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132034560).

102018156 is an abundant number, since it is smaller than the sum of its proper divisors (162050964).

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

102018156 is a wasteful number, since it uses less digits than its factorization.

102018156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343 (or 1324 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 102018156 is about 10100.4037543061. The cubic root of 102018156 is about 467.2605936746.

Adding to 102018156 its reverse (651810201), we get a palindrome (753828357).

The spelling of 102018156 in words is "one hundred two million, eighteen thousand, one hundred fifty-six".