34000155 has 80 divisors (see below), whose sum is σ = 71089920. Its totient is φ = 15225408.

The previous prime is 34000147. The next prime is 34000171. The reversal of 34000155 is 55100043.

It is not a de Polignac number, because 34000155 - 2³ = 34000147 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 189856 + ... + 190034.

It is an arithmetic number, because the mean of its divisors is an integer number (888624).

Almost surely, 2^34000155 is an apocalyptic number.

34000155 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

34000155 is an abundant number, since it is smaller than the sum of its proper divisors (37089765).

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

34000155 is a wasteful number, since it uses less digits than its factorization.

34000155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 34000155 is about 5830.9651859705. The cubic root of 34000155 is about 323.9616724210.

Adding to 34000155 its reverse (55100043), we get a palindrome (89100198).

The spelling of 34000155 in words is "thirty-four million, one hundred fifty-five", and thus it is an aban number.