45419 has 4 divisors (see below), whose sum is σ = 49560. Its totient is φ = 41280.

The previous prime is 45413. The next prime is 45427. The reversal of 45419 is 91454.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45419 - 2⁴ = 45403 is a prime.

It is a super-2 number, since 2×45419² = 4125771122, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12 and base 13.

It is a junction number, because it is equal to n+sod(n) for n = 45394 and 45403.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 45419.

It is not an unprimeable number, because it can be changed into a prime (45413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2054 + ... + 2075.

It is an arithmetic number, because the mean of its divisors is an integer number (12390).

2⁴⁵⁴¹⁹ is an apocalyptic number.

45419 is a deficient number, since it is larger than the sum of its proper divisors (4141).

45419 is a wasteful number, since it uses less digits than its factorization.

45419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140.

The product of its digits is 720, while the sum is 23.

The square root of 45419 is about 213.1173385720. The cubic root of 45419 is about 35.6789876009.

It can be divided in two parts, 45 and 419, that added together give a palindrome (464).

The spelling of 45419 in words is "forty-five thousand, four hundred nineteen".