45342120 has 32 divisors (see below), whose sum is σ = 136026720. Its totient is φ = 12091200.

The previous prime is 45342107. The next prime is 45342137. The reversal of 45342120 is 2124354.

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, 188806 + ... + 189045.

It is an arithmetic number, because the mean of its divisors is an integer number (4250835).

Almost surely, 2^45342120 is an apocalyptic number.

45342120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45342120 is an abundant number, since it is smaller than the sum of its proper divisors (90684600).

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

45342120 is a wasteful number, since it uses less digits than its factorization.

45342120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377865 (or 377861 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 45342120 is about 6733.6557678575. The cubic root of 45342120 is about 356.5884515169.

Adding to 45342120 its reverse (2124354), we get a palindrome (47466474).

The spelling of 45342120 in words is "forty-five million, three hundred forty-two thousand, one hundred twenty".