140481544 has 16 divisors (see below), whose sum is σ = 301032000. Its totient is φ = 60206352.

The previous prime is 140481541. The next prime is 140481587. The reversal of 140481544 is 445184041.

It is not an unprimeable number, because it can be changed into a prime (140481541) 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 3 ways as a sum of consecutive naturals, for example, 1254244 + ... + 1254355.

It is an arithmetic number, because the mean of its divisors is an integer number (18814500).

Almost surely, 2^140481544 is an apocalyptic number.

140481544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140481544 is an abundant number, since it is smaller than the sum of its proper divisors (160550456).

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

140481544 is a wasteful number, since it uses less digits than its factorization.

140481544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508612 (or 2508608 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 140481544 is about 11852.4910461894. The cubic root of 140481544 is about 519.8440656701.

The spelling of 140481544 in words is "one hundred forty million, four hundred eighty-one thousand, five hundred forty-four".