34155445 has 16 divisors (see below), whose sum is σ = 43447680. Its totient is φ = 25704000.

The previous prime is 34155409. The next prime is 34155463. The reversal of 34155445 is 54455143.

It is a happy number.

It is not a de Polignac number, because 34155445 - 2¹¹ = 34153397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13155 + ... + 15535.

It is an arithmetic number, because the mean of its divisors is an integer number (2715480).

Almost surely, 2^34155445 is an apocalyptic number.

It is an amenable number.

34155445 is a deficient number, since it is larger than the sum of its proper divisors (9292235).

34155445 is a wasteful number, since it uses less digits than its factorization.

34155445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556.

The product of its digits is 24000, while the sum is 31.

The square root of 34155445 is about 5844.2659932621. The cubic root of 34155445 is about 324.4541369478.

The spelling of 34155445 in words is "thirty-four million, one hundred fifty-five thousand, four hundred forty-five".