4145551473 has 32 divisors (see below), whose sum is σ = 6696069120. Its totient is φ = 2227057920.

The previous prime is 4145551379. The next prime is 4145551511. The reversal of 4145551473 is 3741555414.

It is not a de Polignac number, because 4145551473 - 2²¹ = 4143454321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4145556473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 340668 + ... + 352626.

It is an arithmetic number, because the mean of its divisors is an integer number (209252160).

Almost surely, 2^4145551473 is an apocalyptic number.

It is an amenable number.

4145551473 is a deficient number, since it is larger than the sum of its proper divisors (2550517647).

4145551473 is a wasteful number, since it uses less digits than its factorization.

4145551473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12957.

The product of its digits is 168000, while the sum is 39.

The square root of 4145551473 is about 64385.9571102271. The cubic root of 4145551473 is about 1606.4261703688.

The spelling of 4145551473 in words is "four billion, one hundred forty-five million, five hundred fifty-one thousand, four hundred seventy-three".