155240343122032 has 40 divisors (see below), whose sum is σ = 343789982720352. Its totient is φ = 66523154592000.

The previous prime is 155240343122023. The next prime is 155240343122083. The reversal of 155240343122032 is 230221343042551.

It is a junction number, because it is equal to n+sod(n) for n = 155240343121982 and 155240343122000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86830219 + ... + 88600042.

Almost surely, 2^{155240343122032} is an apocalyptic number.

It is an amenable number.

155240343122032 is an abundant number, since it is smaller than the sum of its proper divisors (188549639598320).

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

155240343122032 is a wasteful number, since it uses less digits than its factorization.

155240343122032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175438177 (or 175438171 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 155240343122032 its reverse (230221343042551), we get a palindrome (385461686164583).

The spelling of 155240343122032 in words is "one hundred fifty-five trillion, two hundred forty billion, three hundred forty-three million, one hundred twenty-two thousand, thirty-two".