45851140 has 24 divisors (see below), whose sum is σ = 98891352. Its totient is φ = 17844480.

The previous prime is 45851137. The next prime is 45851149. The reversal of 45851140 is 4115854.

It can be written as a sum of positive squares in 4 ways, for example, as 21958596 + 23892544 = 4686^2 + 4888^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45851099 and 45851108.

It is not an unprimeable number, because it can be changed into a prime (45851149) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 30241 + ... + 31720.

It is an arithmetic number, because the mean of its divisors is an integer number (4120473).

Almost surely, 2^45851140 is an apocalyptic number.

It is an amenable number.

45851140 is an abundant number, since it is smaller than the sum of its proper divisors (53040212).

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

45851140 is a wasteful number, since it uses less digits than its factorization.

45851140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62007 (or 62005 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 45851140 is about 6771.3469856447. The cubic root of 45851140 is about 357.9178676166.

Adding to 45851140 its reverse (4115854), we get a palindrome (49966994).

The spelling of 45851140 in words is "forty-five million, eight hundred fifty-one thousand, one hundred forty".