155304236 has 12 divisors (see below), whose sum is σ = 273923328. Its totient is φ = 77040432.

The previous prime is 155304223. The next prime is 155304263. The reversal of 155304236 is 632403551.

It is a junction number, because it is equal to n+sod(n) for n = 155304199 and 155304208.

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, 152351 + ... + 153366.

It is an arithmetic number, because the mean of its divisors is an integer number (22826944).

Almost surely, 2^155304236 is an apocalyptic number.

It is an amenable number.

155304236 is a deficient number, since it is larger than the sum of its proper divisors (118619092).

155304236 is a wasteful number, since it uses less digits than its factorization.

155304236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305848 (or 305846 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 155304236 is about 12462.1120200390. The cubic root of 155304236 is about 537.5197595765.

Adding to 155304236 its reverse (632403551), we get a palindrome (787707787).

The spelling of 155304236 in words is "one hundred fifty-five million, three hundred four thousand, two hundred thirty-six".