155226136 has 32 divisors (see below), whose sum is σ = 318129840. Its totient is φ = 70570368.

The previous prime is 155226121. The next prime is 155226157. The reversal of 155226136 is 631622551.

155226136 is nontrivially palindromic in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 155226098 and 155226107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4171 + ... + 18106.

Almost surely, 2^155226136 is an apocalyptic number.

It is an amenable number.

155226136 is an abundant number, since it is smaller than the sum of its proper divisors (162903704).

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

155226136 is a wasteful number, since it uses less digits than its factorization.

155226136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22363 (or 22359 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 155226136 is about 12458.9781282415. The cubic root of 155226136 is about 537.4296411239.

Adding to 155226136 its reverse (631622551), we get a palindrome (786848687).

The spelling of 155226136 in words is "one hundred fifty-five million, two hundred twenty-six thousand, one hundred thirty-six".