4543256145 has 16 divisors (see below), whose sum is σ = 7519872960. Its totient is φ = 2339515584.

The previous prime is 4543256099. The next prime is 4543256173. The reversal of 4543256145 is 5416523454.

It is not a de Polignac number, because 4543256145 - 2¹⁶ = 4543190609 is a prime.

It is a super-2 number, since 2×4543256145² = 41282352798160522050, which contains 22 as substring.

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

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, 5221699 + ... + 5222568.

It is an arithmetic number, because the mean of its divisors is an integer number (469992060).

Almost surely, 2^4543256145 is an apocalyptic number.

It is an amenable number.

4543256145 is a deficient number, since it is larger than the sum of its proper divisors (2976616815).

4543256145 is a wasteful number, since it uses less digits than its factorization.

4543256145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10444304.

The product of its digits is 288000, while the sum is 39.

The square root of 4543256145 is about 67403.6805004000. The cubic root of 4543256145 is about 1656.2367143209.

Adding to 4543256145 its reverse (5416523454), we get a palindrome (9959779599).

The spelling of 4543256145 in words is "four billion, five hundred forty-three million, two hundred fifty-six thousand, one hundred forty-five".