4145257775 has 12 divisors (see below), whose sum is σ = 5180596992. Its totient is φ = 3290091840.

The previous prime is 4145257751. The next prime is 4145257799. The reversal of 4145257775 is 5777525414.

It is an interprime number because it is at equal distance from previous prime (4145257751) and next prime (4145257799).

It is not a de Polignac number, because 4145257775 - 2¹⁴ = 4145241391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 649622 + ... + 655971.

It is an arithmetic number, because the mean of its divisors is an integer number (431716416).

Almost surely, 2^4145257775 is an apocalyptic number.

4145257775 is a deficient number, since it is larger than the sum of its proper divisors (1035339217).

4145257775 is a wasteful number, since it uses less digits than its factorization.

4145257775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305730 (or 1305725 counting only the distinct ones).

The product of its digits is 1372000, while the sum is 47.

The square root of 4145257775 is about 64383.6763085178. The cubic root of 4145257775 is about 1606.3882328914.

The spelling of 4145257775 in words is "four billion, one hundred forty-five million, two hundred fifty-seven thousand, seven hundred seventy-five".