45419393 has 4 divisors (see below), whose sum is σ = 48091140. Its totient is φ = 42747648.

The previous prime is 45419383. The next prime is 45419399. The reversal of 45419393 is 39391454.

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

It can be written as a sum of positive squares in 2 ways, for example, as 38539264 + 6880129 = 6208^2 + 2623^2 .

It is a cyclic number.

It is not a de Polignac number, because 45419393 - 2¹² = 45415297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45419399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1335848 + ... + 1335881.

It is an arithmetic number, because the mean of its divisors is an integer number (12022785).

Almost surely, 2^45419393 is an apocalyptic number.

It is an amenable number.

45419393 is a deficient number, since it is larger than the sum of its proper divisors (2671747).

45419393 is a wasteful number, since it uses less digits than its factorization.

45419393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671746.

The product of its digits is 58320, while the sum is 38.

The square root of 45419393 is about 6739.3911446065. The cubic root of 45419393 is about 356.7909050791.

The spelling of 45419393 in words is "forty-five million, four hundred nineteen thousand, three hundred ninety-three".