140144425542 has 48 divisors (see below), whose sum is σ = 342672904080. Its totient is φ = 41003592000.

The previous prime is 140144425517. The next prime is 140144425591. The reversal of 140144425542 is 245524441041.

140144425542 is a `hidden beast` number, since 1 + 40 + 14 + 44 + 25 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 140144425497 and 140144425506.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 12197709 + ... + 12209192.

It is an arithmetic number, because the mean of its divisors is an integer number (7139018835).

Almost surely, 2^140144425542 is an apocalyptic number.

140144425542 is an abundant number, since it is smaller than the sum of its proper divisors (202528478538).

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

140144425542 is a wasteful number, since it uses less digits than its factorization.

140144425542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24406949 (or 24406946 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

Adding to 140144425542 its reverse (245524441041), we get a palindrome (385668866583).

The spelling of 140144425542 in words is "one hundred forty billion, one hundred forty-four million, four hundred twenty-five thousand, five hundred forty-two".