34215445 has 16 divisors (see below), whose sum is σ = 44932608. Its totient is φ = 24805440.

The previous prime is 34215439. The next prime is 34215473. The reversal of 34215445 is 54451243.

It is not a de Polignac number, because 34215445 - 2³ = 34215437 is a prime.

It is a Duffinian number.

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, 21052 + ... + 22618.

It is an arithmetic number, because the mean of its divisors is an integer number (2808288).

Almost surely, 2^34215445 is an apocalyptic number.

It is an amenable number.

34215445 is a deficient number, since it is larger than the sum of its proper divisors (10717163).

34215445 is a wasteful number, since it uses less digits than its factorization.

34215445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980.

The product of its digits is 9600, while the sum is 28.

The square root of 34215445 is about 5849.3969774670. The cubic root of 34215445 is about 324.6440125799.

Adding to 34215445 its reverse (54451243), we get a palindrome (88666688).

The spelling of 34215445 in words is "thirty-four million, two hundred fifteen thousand, four hundred forty-five".