155982236 has 12 divisors (see below), whose sum is σ = 274355928. Its totient is φ = 77594832.

The previous prime is 155982221. The next prime is 155982241. The reversal of 155982236 is 632289551.

It is a junction number, because it is equal to n+sod(n) for n = 155982193 and 155982202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98186 + ... + 99761.

It is an arithmetic number, because the mean of its divisors is an integer number (22862994).

Almost surely, 2^155982236 is an apocalyptic number.

It is an amenable number.

155982236 is a deficient number, since it is larger than the sum of its proper divisors (118373692).

155982236 is a wasteful number, since it uses less digits than its factorization.

155982236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198148 (or 198146 counting only the distinct ones).

The product of its digits is 129600, while the sum is 41.

The square root of 155982236 is about 12489.2848474202. The cubic root of 155982236 is about 538.3008272303.

The spelling of 155982236 in words is "one hundred fifty-five million, nine hundred eighty-two thousand, two hundred thirty-six".