45220421342 has 16 divisors (see below), whose sum is σ = 68551715232. Its totient is φ = 22371118560.

The previous prime is 45220421273. The next prime is 45220421377. The reversal of 45220421342 is 24312402254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245738 + ... + 388365.

It is an arithmetic number, because the mean of its divisors is an integer number (4284482202).

Almost surely, 2^45220421342 is an apocalyptic number.

45220421342 is a deficient number, since it is larger than the sum of its proper divisors (23331293890).

45220421342 is a wasteful number, since it uses less digits than its factorization.

45220421342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634483.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 45220421342 its reverse (24312402254), we get a palindrome (69532823596).

The spelling of 45220421342 in words is "forty-five billion, two hundred twenty million, four hundred twenty-one thousand, three hundred forty-two".