45420342 has 16 divisors (see below), whose sum is σ = 99099072. Its totient is φ = 13763720.

The previous prime is 45420337. The next prime is 45420367. The reversal of 45420342 is 24302454.

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, 344028 + ... + 344159.

It is an arithmetic number, because the mean of its divisors is an integer number (6193692).

Almost surely, 2^45420342 is an apocalyptic number.

45420342 is an abundant number, since it is smaller than the sum of its proper divisors (53678730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45420342 is a wasteful number, since it uses less digits than its factorization.

45420342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688203.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 45420342 is about 6739.4615511924. The cubic root of 45420342 is about 356.7933900104.

Adding to 45420342 its reverse (24302454), we get a palindrome (69722796).

The spelling of 45420342 in words is "forty-five million, four hundred twenty thousand, three hundred forty-two".