4251043545 has 64 divisors (see below), whose sum is σ = 8405876736. Its totient is φ = 1790069760.

The previous prime is 4251043541. The next prime is 4251043583. The reversal of 4251043545 is 5453401524.

It is not a de Polignac number, because 4251043545 - 2² = 4251043541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4251043541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 58560 + ... + 109230.

It is an arithmetic number, because the mean of its divisors is an integer number (131341824).

Almost surely, 2^4251043545 is an apocalyptic number.

It is an amenable number.

4251043545 is a deficient number, since it is larger than the sum of its proper divisors (4154833191).

4251043545 is a wasteful number, since it uses less digits than its factorization.

4251043545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50750.

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 4251043545 is about 65200.0271855772. The cubic root of 4251043545 is about 1619.9384655030.

The spelling of 4251043545 in words is "four billion, two hundred fifty-one million, forty-three thousand, five hundred forty-five".