45422389 has 4 divisors (see below), whose sum is σ = 46192320. Its totient is φ = 44652460.

The previous prime is 45422359. The next prime is 45422411. The reversal of 45422389 is 98322454.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45422389 - 2⁹ = 45421877 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 (45422329) 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, 384877 + ... + 384994.

It is an arithmetic number, because the mean of its divisors is an integer number (11548080).

Almost surely, 2^45422389 is an apocalyptic number.

It is an amenable number.

45422389 is a deficient number, since it is larger than the sum of its proper divisors (769931).

45422389 is an equidigital number, since it uses as much as digits as its factorization.

45422389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769930.

The product of its digits is 69120, while the sum is 37.

The square root of 45422389 is about 6739.6134162131. The cubic root of 45422389 is about 356.7987499076.

The spelling of 45422389 in words is "forty-five million, four hundred twenty-two thousand, three hundred eighty-nine".