34145250 has 64 divisors (see below), whose sum is σ = 86935680. Its totient is φ = 8923200.

The previous prime is 34145233. The next prime is 34145257. The reversal of 34145250 is 5254143.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 34145250.

It is not an unprimeable number, because it can be changed into a prime (34145257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39321 + ... + 40179.

It is an arithmetic number, because the mean of its divisors is an integer number (1358370).

Almost surely, 2^34145250 is an apocalyptic number.

34145250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 34145250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43467840).

34145250 is an abundant number, since it is smaller than the sum of its proper divisors (52790430).

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

34145250 is a wasteful number, since it uses less digits than its factorization.

34145250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932 (or 922 counting only the distinct ones).

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

The square root of 34145250 is about 5843.3937057159. The cubic root of 34145250 is about 324.4218518164.

Adding to 34145250 its reverse (5254143), we get a palindrome (39399393).

The spelling of 34145250 in words is "thirty-four million, one hundred forty-five thousand, two hundred fifty".