4571007805145 has 16 divisors (see below), whose sum is σ = 5514512516112. Its totient is φ = 3637276876800.

The previous prime is 4571007805129. The next prime is 4571007805157. The reversal of 4571007805145 is 5415087001754.

It can be written as a sum of positive squares in 8 ways, for example, as 250197038809 + 4320810766336 = 500197^2 + 2078656^2 .

It is not a de Polignac number, because 4571007805145 - 2⁴ = 4571007805129 is a prime.

It is a super-2 number, since 2×4571007805145² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4571007805145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5704589 + ... + 6456341.

It is an arithmetic number, because the mean of its divisors is an integer number (344657032257).

Almost surely, 2^{4571007805145} is an apocalyptic number.

It is an amenable number.

4571007805145 is a deficient number, since it is larger than the sum of its proper divisors (943504710967).

4571007805145 is a wasteful number, since it uses less digits than its factorization.

4571007805145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758252.

The product of its (nonzero) digits is 784000, while the sum is 47.

The spelling of 4571007805145 in words is "four trillion, five hundred seventy-one billion, seven million, eight hundred five thousand, one hundred forty-five".