45128755 has 12 divisors (see below), whose sum is σ = 62996400. Its totient is φ = 30945264.

The previous prime is 45128753. The next prime is 45128767. The reversal of 45128755 is 55782154.

It is not a de Polignac number, because 45128755 - 2¹ = 45128753 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45128753) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91855 + ... + 92344.

It is an arithmetic number, because the mean of its divisors is an integer number (5249700).

Almost surely, 2^45128755 is an apocalyptic number.

45128755 is a deficient number, since it is larger than the sum of its proper divisors (17867645).

45128755 is a wasteful number, since it uses less digits than its factorization.

45128755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184218 (or 184211 counting only the distinct ones).

The product of its digits is 56000, while the sum is 37.

The square root of 45128755 is about 6717.7939087174. The cubic root of 45128755 is about 356.0282428252.

It can be divided in two parts, 45 and 128755, that multiplied together give a palindrome (5793975).

The spelling of 45128755 in words is "forty-five million, one hundred twenty-eight thousand, seven hundred fifty-five".