45942228 has 120 divisors (see below), whose sum is σ = 134164800. Its totient is φ = 13623552.

The previous prime is 45942227. The next prime is 45942233. The reversal of 45942228 is 82224954.

45942228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×45942228² = 4221376627207968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (46080) is a multiple of the sum of its prime divisors (480).

It is a junction number, because it is equal to n+sod(n) for n = 45942192 and 45942201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45942227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 104433 + ... + 104871.

It is an arithmetic number, because the mean of its divisors is an integer number (1118040).

Almost surely, 2^45942228 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 45942228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67082400).

45942228 is an abundant number, since it is smaller than the sum of its proper divisors (88222572).

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

45942228 is a wasteful number, since it uses less digits than its factorization.

45942228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 480 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 45942228 is about 6778.0696367034. The cubic root of 45942228 is about 358.1547243769.

The spelling of 45942228 in words is "forty-five million, nine hundred forty-two thousand, two hundred twenty-eight".