145400340005 has 4 divisors (see below), whose sum is σ = 174480408012. Its totient is φ = 116320272000.

The previous prime is 145400339993. The next prime is 145400340011. The reversal of 145400340005 is 500043004541.

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 44201278081 + 101199061924 = 210241^2 + 318118^2 .

It is a de Polignac number, because none of the positive numbers 2^k-145400340005 is a prime.

It is a super-2 number, since 2×145400340005² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14540033996 + ... + 14540034005.

It is an arithmetic number, because the mean of its divisors is an integer number (43620102003).

Almost surely, 2^145400340005 is an apocalyptic number.

It is an amenable number.

145400340005 is a deficient number, since it is larger than the sum of its proper divisors (29080068007).

145400340005 is an equidigital number, since it uses as much as digits as its factorization.

145400340005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29080068006.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 145400340005 its reverse (500043004541), we get a palindrome (645443344546).

The spelling of 145400340005 in words is "one hundred forty-five billion, four hundred million, three hundred forty thousand, five".