4145554525 has 24 divisors (see below), whose sum is σ = 5880498624. Its totient is φ = 2839929600.

The previous prime is 4145554519. The next prime is 4145554529. The reversal of 4145554525 is 5254555414.

4145554525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4145554525 - 2¹⁹ = 4145030237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145554529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180069 + ... + 201781.

It is an arithmetic number, because the mean of its divisors is an integer number (245020776).

Almost surely, 2^4145554525 is an apocalyptic number.

It is an amenable number.

4145554525 is a deficient number, since it is larger than the sum of its proper divisors (1734944099).

4145554525 is a wasteful number, since it uses less digits than its factorization.

4145554525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22821 (or 22816 counting only the distinct ones).

The product of its digits is 400000, while the sum is 40.

The square root of 4145554525 is about 64385.9808110430. The cubic root of 4145554525 is about 1606.4265645915.

The spelling of 4145554525 in words is "four billion, one hundred forty-five million, five hundred fifty-four thousand, five hundred twenty-five".