1452892509 has 6 divisors (see below), whose sum is σ = 2098622526. Its totient is φ = 968595000.

The previous prime is 1452892487. The next prime is 1452892537. The reversal of 1452892509 is 9052982541.

It is a happy number.

1452892509 is a `hidden beast` number, since 1 + 4 + 52 + 8 + 92 + 509 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1226540484 + 226352025 = 35022^2 + 15045^2 .

It is not a de Polignac number, because 1452892509 - 2²⁰ = 1451843933 is a prime.

It is a super-2 number, since 2×1452892509² = 4221793285416630162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452892549) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80716242 + ... + 80716259.

It is an arithmetic number, because the mean of its divisors is an integer number (349770421).

Almost surely, 2^1452892509 is an apocalyptic number.

It is an amenable number.

1452892509 is a deficient number, since it is larger than the sum of its proper divisors (645730017).

1452892509 is a wasteful number, since it uses less digits than its factorization.

1452892509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161432507 (or 161432504 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 1452892509 is about 38116.8271108706. The cubic root of 1452892509 is about 1132.6033144055.

The spelling of 1452892509 in words is "one billion, four hundred fifty-two million, eight hundred ninety-two thousand, five hundred nine".