140224302142 has 4 divisors (see below), whose sum is σ = 210336453216. Its totient is φ = 70112151070.

The previous prime is 140224302121. The next prime is 140224302143. The reversal of 140224302142 is 241203422041.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×140224302142² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140224302143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35056075534 + ... + 35056075537.

It is an arithmetic number, because the mean of its divisors is an integer number (52584113304).

Almost surely, 2^140224302142 is an apocalyptic number.

140224302142 is a deficient number, since it is larger than the sum of its proper divisors (70112151074).

140224302142 is an equidigital number, since it uses as much as digits as its factorization.

140224302142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70112151073.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 140224302142 its reverse (241203422041), we get a palindrome (381427724183).

The spelling of 140224302142 in words is "one hundred forty billion, two hundred twenty-four million, three hundred two thousand, one hundred forty-two".