45840311 has 16 divisors (see below), whose sum is σ = 52427520. Its totient is φ = 39673920.

The previous prime is 45840287. The next prime is 45840317. The reversal of 45840311 is 11304854.

It is not a de Polignac number, because 45840311 - 2¹⁸ = 45578167 is a prime.

It is a super-4 number, since 4×45840311⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45840317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103256 + ... + 103698.

It is an arithmetic number, because the mean of its divisors is an integer number (3276720).

Almost surely, 2^45840311 is an apocalyptic number.

45840311 is a deficient number, since it is larger than the sum of its proper divisors (6587209).

45840311 is a wasteful number, since it uses less digits than its factorization.

45840311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 45840311 is about 6770.5473190873. The cubic root of 45840311 is about 357.8896880355.

The spelling of 45840311 in words is "forty-five million, eight hundred forty thousand, three hundred eleven".