102004156 has 24 divisors (see below), whose sum is σ = 182755440. Its totient is φ = 49800192.

The previous prime is 102004121. The next prime is 102004159. The reversal of 102004156 is 651400201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102004159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35676 + ... + 38428.

It is an arithmetic number, because the mean of its divisors is an integer number (7614810).

Almost surely, 2^102004156 is an apocalyptic number.

It is an amenable number.

102004156 is a deficient number, since it is larger than the sum of its proper divisors (80751284).

102004156 is a wasteful number, since it uses less digits than its factorization.

102004156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973 (or 2971 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 102004156 is about 10099.7106889257. The cubic root of 102004156 is about 467.2392185657.

Adding to 102004156 its reverse (651400201), we get a palindrome (753404357).

The spelling of 102004156 in words is "one hundred two million, four thousand, one hundred fifty-six".