4545505044 has 18 divisors (see below), whose sum is σ = 11490026730. Its totient is φ = 1515168336.

The previous prime is 4545505039. The next prime is 4545505049. The reversal of 4545505044 is 4405055454.

4545505044 is a `hidden beast` number, since 4 + 54 + 550 + 50 + 4 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (4545505039) and next prime (4545505049).

It can be written as a sum of positive squares in only one way, i.e., 3029181444 + 1516323600 = 55038^2 + 38940^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×4545505044² = 41323232210058883872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 126264029 = 4545505044 / (4 + 5 + 4 + 5 + 5 + 0 + 5 + 0 + 4 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545505049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63131979 + ... + 63132050.

Almost surely, 2^4545505044 is an apocalyptic number.

It is an amenable number.

4545505044 is an abundant number, since it is smaller than the sum of its proper divisors (6944521686).

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

4545505044 is a wasteful number, since it uses less digits than its factorization.

4545505044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126264039 (or 126264034 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The square root of 4545505044 is about 67420.3607525205. The cubic root of 4545505044 is about 1656.5099467462.

The spelling of 4545505044 in words is "four billion, five hundred forty-five million, five hundred five thousand, forty-four".