1452733643 has 4 divisors (see below), whose sum is σ = 1454143728. Its totient is φ = 1451323560.

The previous prime is 1452733637. The next prime is 1452733697. The reversal of 1452733643 is 3463372541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3463372541 = 41 ⋅84472501.

It is a cyclic number.

It is not a de Polignac number, because 1452733643 - 2²⁸ = 1184298187 is a prime.

It is a super-2 number, since 2×1452733643² = 4220870075008102898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1452733597 and 1452733606.

It is not an unprimeable number, because it can be changed into a prime (1452738643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703496 + ... + 705557.

It is an arithmetic number, because the mean of its divisors is an integer number (363535932).

Almost surely, 2^1452733643 is an apocalyptic number.

1452733643 is a deficient number, since it is larger than the sum of its proper divisors (1410085).

1452733643 is a wasteful number, since it uses less digits than its factorization.

1452733643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410084.

The product of its digits is 181440, while the sum is 38.

The square root of 1452733643 is about 38114.7431186411. The cubic root of 1452733643 is about 1132.5620315357.

The spelling of 1452733643 in words is "one billion, four hundred fifty-two million, seven hundred thirty-three thousand, six hundred forty-three".