4512142250545 has 16 divisors (see below), whose sum is σ = 5747812883280. Its totient is φ = 3388644050944.

The previous prime is 4512142250543. The next prime is 4512142250557. The reversal of 4512142250545 is 5450522412154.

It can be written as a sum of positive squares in 8 ways, for example, as 32625029376 + 4479517221169 = 180624^2 + 2116487^2 .

It is a cyclic number.

It is not a de Polignac number, because 4512142250545 - 2¹ = 4512142250543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4512142250498 and 4512142250507.

It is not an unprimeable number, because it can be changed into a prime (4512142250543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68198332 + ... + 68264461.

It is an arithmetic number, because the mean of its divisors is an integer number (359238305205).

Almost surely, 2^{4512142250545} is an apocalyptic number.

It is an amenable number.

4512142250545 is a deficient number, since it is larger than the sum of its proper divisors (1235670632735).

4512142250545 is a wasteful number, since it uses less digits than its factorization.

4512142250545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136463204.

The product of its (nonzero) digits is 320000, while the sum is 40.

Adding to 4512142250545 its reverse (5450522412154), we get a palindrome (9962664662699).

The spelling of 4512142250545 in words is "four trillion, five hundred twelve billion, one hundred forty-two million, two hundred fifty thousand, five hundred forty-five".