1452542765 has 4 divisors (see below), whose sum is σ = 1743051324. Its totient is φ = 1162034208.

The previous prime is 1452542753. The next prime is 1452542827. The reversal of 1452542765 is 5672452541.

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 1107957796 + 344584969 = 33286^2 + 18563^2 .

It is a cyclic number.

It is not a de Polignac number, because 1452542765 - 2¹² = 1452538669 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 145254272 + ... + 145254281.

It is an arithmetic number, because the mean of its divisors is an integer number (435762831).

Almost surely, 2^1452542765 is an apocalyptic number.

It is an amenable number.

1452542765 is a deficient number, since it is larger than the sum of its proper divisors (290508559).

1452542765 is an equidigital number, since it uses as much as digits as its factorization.

1452542765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290508558.

The product of its digits is 336000, while the sum is 41.

The square root of 1452542765 is about 38112.2390446953. The cubic root of 1452542765 is about 1132.5124260568.

The spelling of 1452542765 in words is "one billion, four hundred fifty-two million, five hundred forty-two thousand, seven hundred sixty-five".