45419447 has 4 divisors (see below), whose sum is σ = 45479280. Its totient is φ = 45359616.

The previous prime is 45419399. The next prime is 45419449. The reversal of 45419447 is 74491454.

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 45419447 - 2⁶ = 45419383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45419447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45419449) 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, 28763 + ... + 30300.

It is an arithmetic number, because the mean of its divisors is an integer number (11369820).

Almost surely, 2^45419447 is an apocalyptic number.

45419447 is a deficient number, since it is larger than the sum of its proper divisors (59833).

45419447 is an equidigital number, since it uses as much as digits as its factorization.

45419447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59832.

The product of its digits is 80640, while the sum is 38.

The square root of 45419447 is about 6739.3951509019. The cubic root of 45419447 is about 356.7910464776.

The spelling of 45419447 in words is "forty-five million, four hundred nineteen thousand, four hundred forty-seven".