45421342 has 8 divisors (see below), whose sum is σ = 68161536. Its totient is φ = 22700832.

The previous prime is 45421339. The next prime is 45421349. The reversal of 45421342 is 24312454.

It is a happy number.

45421342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45421349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4323 + ... + 10465.

It is an arithmetic number, because the mean of its divisors is an integer number (8520192).

Almost surely, 2^45421342 is an apocalyptic number.

45421342 is a deficient number, since it is larger than the sum of its proper divisors (22740194).

45421342 is a wasteful number, since it uses less digits than its factorization.

45421342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9842.

The product of its digits is 3840, while the sum is 25.

The square root of 45421342 is about 6739.5357406872. The cubic root of 45421342 is about 356.7960084464.

Adding to 45421342 its reverse (24312454), we get a palindrome (69733796).

The spelling of 45421342 in words is "forty-five million, four hundred twenty-one thousand, three hundred forty-two".