1452543545 has 4 divisors (see below), whose sum is σ = 1743052260. Its totient is φ = 1162034832.

The previous prime is 1452543523. The next prime is 1452543551. The reversal of 1452543545 is 5453452541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5453452541 = 59 ⋅92431399.

It can be written as a sum of positive squares in 2 ways, for example, as 373880896 + 1078662649 = 19336^2 + 32843^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1452543545 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1452543499 and 1452543508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145254350 + ... + 145254359.

It is an arithmetic number, because the mean of its divisors is an integer number (435763065).

Almost surely, 2^1452543545 is an apocalyptic number.

It is an amenable number.

1452543545 is a deficient number, since it is larger than the sum of its proper divisors (290508715).

1452543545 is an equidigital number, since it uses as much as digits as its factorization.

1452543545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290508714.

The product of its digits is 240000, while the sum is 38.

The square root of 1452543545 is about 38112.2492776273. The cubic root of 1452543545 is about 1132.5126287725.

The spelling of 1452543545 in words is "one billion, four hundred fifty-two million, five hundred forty-three thousand, five hundred forty-five".