34205145 has 16 divisors (see below), whose sum is σ = 58938432. Its totient is φ = 16839360.

The previous prime is 34205089. The next prime is 34205147. The reversal of 34205145 is 54150243.

It is not a de Polignac number, because 34205145 - 2¹² = 34201049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34205147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87511 + ... + 87900.

It is an arithmetic number, because the mean of its divisors is an integer number (3683652).

Almost surely, 2^34205145 is an apocalyptic number.

It is an amenable number.

34205145 is a deficient number, since it is larger than the sum of its proper divisors (24733287).

34205145 is a wasteful number, since it uses less digits than its factorization.

34205145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175432.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 34205145 is about 5848.5164785610. The cubic root of 34205145 is about 324.6114330541.

Adding to 34205145 its reverse (54150243), we get a palindrome (88355388).

The spelling of 34205145 in words is "thirty-four million, two hundred five thousand, one hundred forty-five".