4385432545 has 24 divisors (see below), whose sum is σ = 5753906496. Its totient is φ = 3206968128.

The previous prime is 4385432543. The next prime is 4385432573. The reversal of 4385432545 is 5452345834.

It is not a de Polignac number, because 4385432545 - 2¹ = 4385432543 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (4385432543) 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, 61842 + ... + 112228.

It is an arithmetic number, because the mean of its divisors is an integer number (239746104).

Almost surely, 2^4385432545 is an apocalyptic number.

It is an amenable number.

4385432545 is a deficient number, since it is larger than the sum of its proper divisors (1368473951).

4385432545 is a wasteful number, since it uses less digits than its factorization.

4385432545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50521 (or 50508 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 43.

The square root of 4385432545 is about 66222.5984464518. The cubic root of 4385432545 is about 1636.8321439440.

The spelling of 4385432545 in words is "four billion, three hundred eighty-five million, four hundred thirty-two thousand, five hundred forty-five".