140143240145 has 32 divisors (see below), whose sum is σ = 173496435840. Its totient is φ = 108630789120.

The previous prime is 140143240103. The next prime is 140143240147. The reversal of 140143240145 is 541042341041.

It is not a de Polignac number, because 140143240145 - 2¹⁰ = 140143239121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140143240147) 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 31 ways as a sum of consecutive naturals, for example, 6022022 + ... + 6045248.

It is an arithmetic number, because the mean of its divisors is an integer number (5421763620).

Almost surely, 2^140143240145 is an apocalyptic number.

It is an amenable number.

140143240145 is a deficient number, since it is larger than the sum of its proper divisors (33353195695).

140143240145 is a wasteful number, since it uses less digits than its factorization.

140143240145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23585.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 140143240145 its reverse (541042341041), we get a palindrome (681185581186).

The spelling of 140143240145 in words is "one hundred forty billion, one hundred forty-three million, two hundred forty thousand, one hundred forty-five".