140443449 has 8 divisors (see below), whose sum is σ = 187324032. Its totient is φ = 93595920.

The previous prime is 140443447. The next prime is 140443463. The reversal of 140443449 is 944344041.

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

It is not a de Polignac number, because 140443449 - 2¹ = 140443447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140443441) 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, 4447 + ... + 17339.

It is an arithmetic number, because the mean of its divisors is an integer number (23415504).

Almost surely, 2^140443449 is an apocalyptic number.

It is an amenable number.

140443449 is a deficient number, since it is larger than the sum of its proper divisors (46880583).

140443449 is a wasteful number, since it uses less digits than its factorization.

140443449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16527.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 140443449 is about 11850.8838910859. The cubic root of 140443449 is about 519.7970719525.

The spelling of 140443449 in words is "one hundred forty million, four hundred forty-three thousand, four hundred forty-nine".