140345500 has 48 divisors (see below), whose sum is σ = 317116800. Its totient is φ = 54196800.

The previous prime is 140345497. The next prime is 140345509. The reversal of 140345500 is 5543041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140345509) 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 15 ways as a sum of consecutive naturals, for example, 9661 + ... + 19339.

It is an arithmetic number, because the mean of its divisors is an integer number (6606600).

Almost surely, 2^140345500 is an apocalyptic number.

140345500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140345500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158558400).

140345500 is an abundant number, since it is smaller than the sum of its proper divisors (176771300).

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

140345500 is a wasteful number, since it uses less digits than its factorization.

140345500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9727 (or 9715 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 140345500 is about 11846.7506093443. The cubic root of 140345500 is about 519.6762037442.

Adding to 140345500 its reverse (5543041), we get a palindrome (145888541).

The spelling of 140345500 in words is "one hundred forty million, three hundred forty-five thousand, five hundred".