45055740 has 24 divisors (see below), whose sum is σ = 126156240. Its totient is φ = 12014848.

The previous prime is 45055739. The next prime is 45055753. The reversal of 45055740 is 4755054.

It is a super-3 number, since 3×45055740³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 45055698 and 45055707.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 375405 + ... + 375524.

It is an arithmetic number, because the mean of its divisors is an integer number (5256510).

Almost surely, 2^45055740 is an apocalyptic number.

It is an amenable number.

45055740 is an abundant number, since it is smaller than the sum of its proper divisors (81100500).

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

45055740 is a wasteful number, since it uses less digits than its factorization.

45055740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750941 (or 750939 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 45055740 is about 6712.3572610522. The cubic root of 45055740 is about 355.8361300262.

The spelling of 45055740 in words is "forty-five million, fifty-five thousand, seven hundred forty".