155345236 has 6 divisors (see below), whose sum is σ = 271854170. Its totient is φ = 77672616.

The previous prime is 155345233. The next prime is 155345263. The reversal of 155345236 is 632543551.

It can be written as a sum of positive squares in only one way, i.e., 155251600 + 93636 = 12460^2 + 306^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155345233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19418151 + ... + 19418158.

Almost surely, 2^155345236 is an apocalyptic number.

It is an amenable number.

155345236 is a deficient number, since it is larger than the sum of its proper divisors (116508934).

155345236 is a wasteful number, since it uses less digits than its factorization.

155345236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38836313 (or 38836311 counting only the distinct ones).

The product of its digits is 54000, while the sum is 34.

The square root of 155345236 is about 12463.7568975008. The cubic root of 155345236 is about 537.5670567862.

Adding to 155345236 its reverse (632543551), we get a palindrome (787888787).

The spelling of 155345236 in words is "one hundred fifty-five million, three hundred forty-five thousand, two hundred thirty-six".