1452729807 has 6 divisors (see below), whose sum is σ = 2098387512. Its totient is φ = 968486532.

The previous prime is 1452729791. The next prime is 1452729809. The reversal of 1452729807 is 7089272541.

It is a happy number.

It is not a de Polignac number, because 1452729807 - 2⁴ = 1452729791 is a prime.

It is a super-2 number, since 2×1452729807² = 4220847784292514498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452729809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80707203 + ... + 80707220.

It is an arithmetic number, because the mean of its divisors is an integer number (349731252).

Almost surely, 2^1452729807 is an apocalyptic number.

1452729807 is a deficient number, since it is larger than the sum of its proper divisors (645657705).

1452729807 is a wasteful number, since it uses less digits than its factorization.

1452729807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161414429 (or 161414426 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 1452729807 is about 38114.6927968730. The cubic root of 1452729807 is about 1132.5610346767.

The spelling of 1452729807 in words is "one billion, four hundred fifty-two million, seven hundred twenty-nine thousand, eight hundred seven".