45403 has 2 divisors, whose sum is σ = 45404.
Its totient is φ = 45402.
The previous prime is 45389. The next prime is 45413. The reversal of 45403 is 30454.
Adding to 45403 its reverse (30454), we get a palindrome (75857).
It can be divided in two parts, 4 and 5403, that multiplied together give a palindrome (21612).
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-45403 is a prime.
It is a super-2 number, since 2×454032 = 4122864818, which contains 22 as substring.
45403 is a lucky number.
It is a plaindrome in base 12.
It is not a weakly prime, because it can be changed into another prime (45413) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22701 + 22702.
It is an arithmetic number, because the mean of its divisors is an integer number (22702).
245403 is an apocalyptic number.
45403 is a deficient number, since it is larger than the sum of its proper divisors (1).
45403 is an equidigital number, since it uses as much as digits as its factorization.
45403 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 240, while the sum is 16.
The square root of 45403 is about 213.0797972591.
The cubic root of 45403 is about 35.6747974980.
The spelling of 45403 in words is "forty-five thousand, four hundred three".