34140645 has 96 divisors (see below), whose sum is σ = 75479040. Its totient is φ = 13864320.

The previous prime is 34140643. The next prime is 34140679. The reversal of 34140645 is 54604143.

34140645 is a `hidden beast` number, since 3 + 4 + 14 + 0 + 645 = 666.

It is not a de Polignac number, because 34140645 - 2¹ = 34140643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34140643) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 204352 + ... + 204518.

It is an arithmetic number, because the mean of its divisors is an integer number (786240).

Almost surely, 2^34140645 is an apocalyptic number.

34140645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

34140645 is an abundant number, since it is smaller than the sum of its proper divisors (41338395).

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

34140645 is a wasteful number, since it uses less digits than its factorization.

34140645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 34140645 is about 5842.9996577101. Note that the first 3 decimals coincide. The cubic root of 34140645 is about 324.4072667736.

Adding to 34140645 its reverse (54604143), we get a palindrome (88744788).

The spelling of 34140645 in words is "thirty-four million, one hundred forty thousand, six hundred forty-five".