452145539 has 4 divisors (see below), whose sum is σ = 454488456. Its totient is φ = 449802624.

The previous prime is 452145521. The next prime is 452145541. The reversal of 452145539 is 935541254.

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

It is a cyclic number.

It is not a de Polignac number, because 452145539 - 2¹⁶ = 452080003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452145139) 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, 1171169 + ... + 1171554.

It is an arithmetic number, because the mean of its divisors is an integer number (113622114).

Almost surely, 2^452145539 is an apocalyptic number.

452145539 is a deficient number, since it is larger than the sum of its proper divisors (2342917).

452145539 is a wasteful number, since it uses less digits than its factorization.

452145539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342916.

The product of its digits is 108000, while the sum is 38.

The square root of 452145539 is about 21263.7141393502. The cubic root of 452145539 is about 767.5253884304.

The spelling of 452145539 in words is "four hundred fifty-two million, one hundred forty-five thousand, five hundred thirty-nine".