45112842 has 64 divisors (see below), whose sum is σ = 104807040. Its totient is φ = 14370048.

The previous prime is 45112831. The next prime is 45112853. The reversal of 45112842 is 24821154.

It is an interprime number because it is at equal distance from previous prime (45112831) and next prime (45112853).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133698 + ... + 134034.

It is an arithmetic number, because the mean of its divisors is an integer number (1637610).

Almost surely, 2^45112842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45112842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52403520).

45112842 is an abundant number, since it is smaller than the sum of its proper divisors (59694198).

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

45112842 is a wasteful number, since it uses less digits than its factorization.

45112842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 446 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 45112842 is about 6716.6094124938. The cubic root of 45112842 is about 355.9863911391.

Adding to 45112842 its reverse (24821154), we get a palindrome (69933996).

It can be divided in two parts, 45112 and 842, that added together give a palindrome (45954).

The spelling of 45112842 in words is "forty-five million, one hundred twelve thousand, eight hundred forty-two".