155000343000326 has 4 divisors (see below), whose sum is σ = 232500514500492. Its totient is φ = 77500171500162.

The previous prime is 155000343000317. The next prime is 155000343000331. The reversal of 155000343000326 is 623000343000551.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×155000343000326² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155000343000292 and 155000343000301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38750085750080 + ... + 38750085750083.

It is an arithmetic number, because the mean of its divisors is an integer number (58125128625123).

Almost surely, 2^{155000343000326} is an apocalyptic number.

155000343000326 is a deficient number, since it is larger than the sum of its proper divisors (77500171500166).

155000343000326 is an equidigital number, since it uses as much as digits as its factorization.

155000343000326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77500171500165.

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 155000343000326 its reverse (623000343000551), we get a palindrome (778000686000877).

The spelling of 155000343000326 in words is "one hundred fifty-five trillion, three hundred forty-three million, three hundred twenty-six", and thus it is an aban number.