45555 has 8 divisors (see below), whose sum is σ = 72912. Its totient is φ = 24288.
The previous prime is 45553. The next prime is 45557. The reversal of 45555 is 55554.
It is an interprime number because it is at equal distance from previous prime (45553) and next prime (45557).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 45555 - 21 = 45553 is a prime.
45555 is a modest number, since divided by 555 gives 45 as remainder.
45555 is a lucky number.
It is a plaindrome in base 10.
It is a nialpdrome in base 15.
It is not an unprimeable number, because it can be changed into a prime (45553) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1504 + ... + 1533.
It is an arithmetic number, because the mean of its divisors is an integer number (9114).
245555 is an apocalyptic number.
45555 is a deficient number, since it is larger than the sum of its proper divisors (27357).
45555 is a wasteful number, since it uses less digits than its factorization.
45555 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3045.
The product of its digits is 2500, while the sum is 24.
The square root of 45555 is about 213.4361731291. The cubic root of 45555 is about 35.7145638074.
Subtracting 45555 from its reverse (55554), we obtain a palindrome (9999).
It can be divided in two parts, 4555 and 5, that added together give a triangular number (4560 = T95).
The spelling of 45555 in words is "forty-five thousand, five hundred fifty-five".
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