12452037545 has 16 divisors (see below), whose sum is σ = 15570556560. Its totient is φ = 9547905024.

The previous prime is 12452037539. The next prime is 12452037571. The reversal of 12452037545 is 54573025421.

It can be written as a sum of positive squares in 8 ways, for example, as 419922064 + 12032115481 = 20492^2 + 109691^2 .

It is a cyclic number.

It is not a de Polignac number, because 12452037545 - 2¹⁰ = 12452036521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12452037499 and 12452037508.

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, 293552 + ... + 333281.

It is an arithmetic number, because the mean of its divisors is an integer number (973159785).

Almost surely, 2^12452037545 is an apocalyptic number.

It is an amenable number.

12452037545 is a deficient number, since it is larger than the sum of its proper divisors (3118519015).

12452037545 is a wasteful number, since it uses less digits than its factorization.

12452037545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627004.

The product of its (nonzero) digits is 168000, while the sum is 38.

The spelling of 12452037545 in words is "twelve billion, four hundred fifty-two million, thirty-seven thousand, five hundred forty-five".