340144451 has 8 divisors (see below), whose sum is σ = 353721600. Its totient is φ = 326690560.

The previous prime is 340144423. The next prime is 340144459. The reversal of 340144451 is 154441043.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 340144451 - 2¹⁴ = 340128067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340144451.

It is not an unprimeable number, because it can be changed into a prime (340144459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25166 + ... + 36243.

It is an arithmetic number, because the mean of its divisors is an integer number (44215200).

Almost surely, 2^340144451 is an apocalyptic number.

340144451 is a deficient number, since it is larger than the sum of its proper divisors (13577149).

340144451 is a wasteful number, since it uses less digits than its factorization.

340144451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61629.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 340144451 is about 18443.0054763317. The cubic root of 340144451 is about 698.0520338710.

Adding to 340144451 its reverse (154441043), we get a palindrome (494585494).

The spelling of 340144451 in words is "three hundred forty million, one hundred forty-four thousand, four hundred fifty-one".