140143443 has 8 divisors (see below), whose sum is σ = 203845056. Its totient is φ = 84935400.

The previous prime is 140143403. The next prime is 140143463. The reversal of 140143443 is 344341041.

140143443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 140143443 - 2⁶ = 140143379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140143403) 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, 2123353 + ... + 2123418.

It is an arithmetic number, because the mean of its divisors is an integer number (25480632).

Almost surely, 2^140143443 is an apocalyptic number.

140143443 is a deficient number, since it is larger than the sum of its proper divisors (63701613).

140143443 is a wasteful number, since it uses less digits than its factorization.

140143443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246785.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 140143443 is about 11838.2195874211. The cubic root of 140143443 is about 519.4266893981.

Adding to 140143443 its reverse (344341041), we get a palindrome (484484484).

It can be divided in two parts, 1401 and 43443, that added together give a palindrome (44844).

The spelling of 140143443 in words is "one hundred forty million, one hundred forty-three thousand, four hundred forty-three".