340143043454 has 8 divisors (see below), whose sum is σ = 513033430728. Its totient is φ = 169131899880.

The previous prime is 340143043453. The next prime is 340143043463. The reversal of 340143043454 is 454340341043.

It is a happy number.

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

It is a super-3 number, since 3×340143043454³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340143043451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469810472 + ... + 469811195.

It is an arithmetic number, because the mean of its divisors is an integer number (64129178841).

Almost surely, 2^340143043454 is an apocalyptic number.

340143043454 is a deficient number, since it is larger than the sum of its proper divisors (172890387274).

340143043454 is a wasteful number, since it uses less digits than its factorization.

340143043454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939621850.

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 340143043454 its reverse (454340341043), we get a palindrome (794483384497).

The spelling of 340143043454 in words is "three hundred forty billion, one hundred forty-three million, forty-three thousand, four hundred fifty-four".