45755438 has 4 divisors (see below), whose sum is σ = 68633160. Its totient is φ = 22877718.

The previous prime is 45755431. The next prime is 45755497. The reversal of 45755438 is 83455754.

45755438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45755395 and 45755404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45755431) 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 as a sum of consecutive naturals, namely, 11438858 + ... + 11438861.

It is an arithmetic number, because the mean of its divisors is an integer number (17158290).

Almost surely, 2^45755438 is an apocalyptic number.

45755438 is a deficient number, since it is larger than the sum of its proper divisors (22877722).

45755438 is a wasteful number, since it uses less digits than its factorization.

45755438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22877721.

The product of its digits is 336000, while the sum is 41.

The square root of 45755438 is about 6764.2766058168. The cubic root of 45755438 is about 357.6686748660.

The spelling of 45755438 in words is "forty-five million, seven hundred fifty-five thousand, four hundred thirty-eight".