155546627236 has 243 divisors, whose sum is σ = 378807157827. Its totient is φ = 55656881280.

The previous prime is 155546627221. The next prime is 155546627237. The reversal of 155546627236 is 632726645551.

The square root of 155546627236 is 394394.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 9683740836 + 145862886400 = 98406^2 + 381920^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (155546627237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 789576690 + ... + 789576886.

Almost surely, 2^155546627236 is an apocalyptic number.

155546627236 is the 394394-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155546627236

155546627236 is an abundant number, since it is smaller than the sum of its proper divisors (223260530591).

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

155546627236 is a wasteful number, since it uses less digits than its factorization.

155546627236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 230 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 52.

The spelling of 155546627236 in words is "one hundred fifty-five billion, five hundred forty-six million, six hundred twenty-seven thousand, two hundred thirty-six".