1451434465 has 8 divisors (see below), whose sum is σ = 1875700008. Its totient is φ = 1071828480.

The previous prime is 1451434463. The next prime is 1451434493. The reversal of 1451434465 is 5644341541.

It can be written as a sum of positive squares in 4 ways, for example, as 142659136 + 1308775329 = 11944^2 + 36177^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1451434465 - 2¹ = 1451434463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1451434463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11164816 + ... + 11164945.

It is an arithmetic number, because the mean of its divisors is an integer number (234462501).

Almost surely, 2^1451434465 is an apocalyptic number.

It is an amenable number.

1451434465 is a deficient number, since it is larger than the sum of its proper divisors (424265543).

1451434465 is a wasteful number, since it uses less digits than its factorization.

1451434465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22329779.

The product of its digits is 115200, while the sum is 37.

The square root of 1451434465 is about 38097.6963214313. The cubic root of 1451434465 is about 1132.2243145418.

The spelling of 1451434465 in words is "one billion, four hundred fifty-one million, four hundred thirty-four thousand, four hundred sixty-five".