45419389 has 4 divisors (see below), whose sum is σ = 45614556. Its totient is φ = 45224224.

The previous prime is 45419383. The next prime is 45419399. The reversal of 45419389 is 98391454.

It is a happy number.

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 4995225 + 40424164 = 2235^2 + 6358^2 .

It is a cyclic number.

It is not a de Polignac number, because 45419389 - 2¹⁷ = 45288317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45419383) 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, 97234 + ... + 97699.

It is an arithmetic number, because the mean of its divisors is an integer number (11403639).

Almost surely, 2^45419389 is an apocalyptic number.

It is an amenable number.

45419389 is a deficient number, since it is larger than the sum of its proper divisors (195167).

45419389 is a wasteful number, since it uses less digits than its factorization.

45419389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195166.

The product of its digits is 155520, while the sum is 43.

The square root of 45419389 is about 6739.3908478437. The cubic root of 45419389 is about 356.7908946052.

The spelling of 45419389 in words is "forty-five million, four hundred nineteen thousand, three hundred eighty-nine".