1451342465 has 4 divisors (see below), whose sum is σ = 1741610964. Its totient is φ = 1161073968.

The previous prime is 1451342449. The next prime is 1451342467. The reversal of 1451342465 is 5642431541.

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 529552144 + 921790321 = 23012^2 + 30361^2 .

It is a cyclic number.

It is not a de Polignac number, because 1451342465 - 2⁴ = 1451342449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1451342467) 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 3 ways as a sum of consecutive naturals, for example, 145134242 + ... + 145134251.

It is an arithmetic number, because the mean of its divisors is an integer number (435402741).

Almost surely, 2^1451342465 is an apocalyptic number.

It is an amenable number.

1451342465 is a deficient number, since it is larger than the sum of its proper divisors (290268499).

1451342465 is an equidigital number, since it uses as much as digits as its factorization.

1451342465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290268498.

The product of its digits is 57600, while the sum is 35.

The square root of 1451342465 is about 38096.4888802105. The cubic root of 1451342465 is about 1132.2003918087.

The spelling of 1451342465 in words is "one billion, four hundred fifty-one million, three hundred forty-two thousand, four hundred sixty-five".