140302143 has 6 divisors (see below), whose sum is σ = 202658664. Its totient is φ = 93534756.

The previous prime is 140302109. The next prime is 140302147. The reversal of 140302143 is 341203041.

It is not a de Polignac number, because 140302143 - 2⁶ = 140302079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140302147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7794555 + ... + 7794572.

It is an arithmetic number, because the mean of its divisors is an integer number (33776444).

Almost surely, 2^140302143 is an apocalyptic number.

140302143 is a deficient number, since it is larger than the sum of its proper divisors (62356521).

140302143 is a wasteful number, since it uses less digits than its factorization.

140302143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15589133 (or 15589130 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 140302143 is about 11844.9205569307. The cubic root of 140302143 is about 519.6226836294.

Adding to 140302143 its reverse (341203041), we get a palindrome (481505184).

The spelling of 140302143 in words is "one hundred forty million, three hundred two thousand, one hundred forty-three".