140617443 has 4 divisors (see below), whose sum is σ = 187489928. Its totient is φ = 93744960.

The previous prime is 140617429. The next prime is 140617453. The reversal of 140617443 is 344716041.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 140617443 - 2¹⁰ = 140616419 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 140617443.

It is not an unprimeable number, because it can be changed into a prime (140617403) 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 3 ways as a sum of consecutive naturals, for example, 23436238 + ... + 23436243.

It is an arithmetic number, because the mean of its divisors is an integer number (46872482).

Almost surely, 2^140617443 is an apocalyptic number.

140617443 is a deficient number, since it is larger than the sum of its proper divisors (46872485).

140617443 is an equidigital number, since it uses as much as digits as its factorization.

140617443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46872484.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 140617443 is about 11858.2225902536. Note that the first 3 decimals coincide. The cubic root of 140617443 is about 520.0116405185.

The spelling of 140617443 in words is "one hundred forty million, six hundred seventeen thousand, four hundred forty-three".