34545 has 24 divisors (see below), whose sum is σ = 65664. Its totient is φ = 15456.
The previous prime is 34543. The next prime is 34549. The reversal of 34545 is 54543.
34545 = 352 + 362 + ... + 522.
It is a happy number.
34545 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
34545 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.
It is not a de Polignac number, because 34545 - 21 = 34543 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (34543) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 712 + ... + 758.
It is an arithmetic number, because the mean of its divisors is an integer number (2736).
234545 is an apocalyptic number.
34545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
34545 is a deficient number, since it is larger than the sum of its proper divisors (31119).
34545 is a wasteful number, since it uses less digits than its factorization.
34545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69 (or 62 counting only the distinct ones).
The product of its digits is 1200, while the sum is 21.
The square root of 34545 is about 185.8628526629. The cubic root of 34545 is about 32.5682981866.
The spelling of 34545 in words is "thirty-four thousand, five hundred forty-five".
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