45340128 has 96 divisors (see below), whose sum is σ = 133852320. Its totient is φ = 14929920.

The previous prime is 45340111. The next prime is 45340129. The reversal of 45340128 is 82104354.

45340128 is a `hidden beast` number, since 4 + 534 + 0 + 128 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45340129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83538 + ... + 84078.

It is an arithmetic number, because the mean of its divisors is an integer number (1394295).

Almost surely, 2^45340128 is an apocalyptic number.

45340128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45340128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66926160).

45340128 is an abundant number, since it is smaller than the sum of its proper divisors (88512192).

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

45340128 is a wasteful number, since it uses less digits than its factorization.

45340128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 45340128 is about 6733.5078525238. The cubic root of 45340128 is about 356.5832294805.

The spelling of 45340128 in words is "forty-five million, three hundred forty thousand, one hundred twenty-eight".