45042684 has 48 divisors (see below), whose sum is σ = 110315520. Its totient is φ = 14284480.

The previous prime is 45042677. The next prime is 45042757. The reversal of 45042684 is 48624054.

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 15 ways as a sum of consecutive naturals, for example, 23797 + ... + 25619.

It is an arithmetic number, because the mean of its divisors is an integer number (2298240).

Almost surely, 2^45042684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45042684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55157760).

45042684 is an abundant number, since it is smaller than the sum of its proper divisors (65272836).

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

45042684 is a wasteful number, since it uses less digits than its factorization.

45042684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930 (or 1928 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 45042684 is about 6711.3846559410. The cubic root of 45042684 is about 355.8017559721.

It can be divided in two parts, 450 and 42684, that added together give a palindrome (43134).

The spelling of 45042684 in words is "forty-five million, forty-two thousand, six hundred eighty-four".