340143497 has 8 divisors (see below), whose sum is σ = 362167200. Its totient is φ = 318343744.

The previous prime is 340143487. The next prime is 340143533. The reversal of 340143497 is 794341043.

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 340143497 - 2¹⁶ = 340077961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340143467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52847 + ... + 58932.

It is an arithmetic number, because the mean of its divisors is an integer number (45270900).

Almost surely, 2^340143497 is an apocalyptic number.

It is an amenable number.

340143497 is a deficient number, since it is larger than the sum of its proper divisors (22023703).

340143497 is a wasteful number, since it uses less digits than its factorization.

340143497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111975.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 340143497 is about 18442.9796128500. The cubic root of 340143497 is about 698.0513812637.

The spelling of 340143497 in words is "three hundred forty million, one hundred forty-three thousand, four hundred ninety-seven".