45842118 has 64 divisors (see below), whose sum is σ = 109375488. Its totient is φ = 12533760.

The previous prime is 45842099. The next prime is 45842123. The reversal of 45842118 is 81124854.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178246 + ... + 178502.

It is an arithmetic number, because the mean of its divisors is an integer number (1708992).

Almost surely, 2^45842118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45842118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54687744).

45842118 is an abundant number, since it is smaller than the sum of its proper divisors (63533370).

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

45842118 is a wasteful number, since it uses less digits than its factorization.

45842118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437.

The product of its digits is 10240, while the sum is 33.

The square root of 45842118 is about 6770.6807634092. The cubic root of 45842118 is about 357.8943905789.

The spelling of 45842118 in words is "forty-five million, eight hundred forty-two thousand, one hundred eighteen".