140143240144 has 40 divisors (see below), whose sum is σ = 272618448128. Its totient is φ = 69790533120.

The previous prime is 140143240103. The next prime is 140143240147. The reversal of 140143240144 is 441042341041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140143240147) 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, 5330359 + ... + 5356585.

Almost surely, 2^140143240144 is an apocalyptic number.

It is an amenable number.

140143240144 is a deficient number, since it is larger than the sum of its proper divisors (132475207984).

140143240144 is a wasteful number, since it uses less digits than its factorization.

140143240144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27563 (or 27557 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 140143240144 its reverse (441042341041), we get a palindrome (581185581185).

The spelling of 140143240144 in words is "one hundred forty billion, one hundred forty-three million, two hundred forty thousand, one hundred forty-four".