143340497 has 8 divisors (see below), whose sum is σ = 149048832. Its totient is φ = 137700000.

The previous prime is 143340493. The next prime is 143340511. The reversal of 143340497 is 794043341.

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 143340497 - 2² = 143340493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143340493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12629 + ... + 21122.

It is an arithmetic number, because the mean of its divisors is an integer number (18631104).

Almost surely, 2^143340497 is an apocalyptic number.

It is an amenable number.

143340497 is a deficient number, since it is larger than the sum of its proper divisors (5708335).

143340497 is a wasteful number, since it uses less digits than its factorization.

143340497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33919.

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

The square root of 143340497 is about 11972.4891731001. The cubic root of 143340497 is about 523.3468750694.

The spelling of 143340497 in words is "one hundred forty-three million, three hundred forty thousand, four hundred ninety-seven".