1451342005 has 4 divisors (see below), whose sum is σ = 1741610412. Its totient is φ = 1161073600.

The previous prime is 1451341987. The next prime is 1451342017. The reversal of 1451342005 is 5002431541.

It is a happy number.

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 459973809 + 991368196 = 21447^2 + 31486^2 .

It is not a de Polignac number, because 1451342005 - 2¹¹ = 1451339957 is a prime.

It is a Duffinian 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, 145134196 + ... + 145134205.

It is an arithmetic number, because the mean of its divisors is an integer number (435402603).

Almost surely, 2^1451342005 is an apocalyptic number.

It is an amenable number.

1451342005 is a deficient number, since it is larger than the sum of its proper divisors (290268407).

1451342005 is an equidigital number, since it uses as much as digits as its factorization.

1451342005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290268406.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1451342005 is about 38096.4828429082. The cubic root of 1451342005 is about 1132.2002721925.

Adding to 1451342005 its reverse (5002431541), we get a palindrome (6453773546).

The spelling of 1451342005 in words is "one billion, four hundred fifty-one million, three hundred forty-two thousand, five".