140141144 has 32 divisors (see below), whose sum is σ = 308705040. Its totient is φ = 58800000.

The previous prime is 140141143. The next prime is 140141147. The reversal of 140141144 is 441141041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140141143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60107 + ... + 62394.

Almost surely, 2^140141144 is an apocalyptic number.

It is an amenable number.

140141144 is an abundant number, since it is smaller than the sum of its proper divisors (168563896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140141144 is a wasteful number, since it uses less digits than its factorization.

140141144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122531 (or 122527 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 140141144 is about 11838.1224862729. The cubic root of 140141144 is about 519.4238490500.

Adding to 140141144 its reverse (441141041), we get a palindrome (581282185).

It can be divided in two parts, 14014 and 1144, that multiplied together give a square (16032016 = 4004²).

The spelling of 140141144 in words is "one hundred forty million, one hundred forty-one thousand, one hundred forty-four".