1452354649 has 4 divisors (see below), whose sum is σ = 1466734500. Its totient is φ = 1437974800.

The previous prime is 1452354647. The next prime is 1452354653. The reversal of 1452354649 is 9464532541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1001089600 + 451265049 = 31640^2 + 21243^2 .

It is a cyclic number.

It is not a de Polignac number, because 1452354649 - 2¹ = 1452354647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1452354647) 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, 7189774 + ... + 7189975.

It is an arithmetic number, because the mean of its divisors is an integer number (366683625).

Almost surely, 2^1452354649 is an apocalyptic number.

It is an amenable number.

1452354649 is a deficient number, since it is larger than the sum of its proper divisors (14379851).

1452354649 is a wasteful number, since it uses less digits than its factorization.

1452354649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14379850.

The product of its digits is 518400, while the sum is 43.

The square root of 1452354649 is about 38109.7710436576. The cubic root of 1452354649 is about 1132.4635341159.

The spelling of 1452354649 in words is "one billion, four hundred fifty-two million, three hundred fifty-four thousand, six hundred forty-nine".