140450 has 18 divisors (see below), whose sum is σ = 266259. Its totient is φ = 55120.

The previous prime is 140449. The next prime is 140453. The reversal of 140450 is 54041.

It can be written as a sum of positive squares in 5 ways, for example, as 82369 + 58081 = 287^2 + 241^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=265.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140453) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2624 + ... + 2676.

2¹⁴⁰⁴⁵⁰ is an apocalyptic number.

140450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140450 is a deficient number, since it is larger than the sum of its proper divisors (125809).

140450 is an equidigital number, since it uses as much as digits as its factorization.

140450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 140450 is about 374.7665940289. The cubic root of 140450 is about 51.9805153824.

Adding to 140450 its reverse (54041), we get a palindrome (194491).

The spelling of 140450 in words is "one hundred forty thousand, four hundred fifty".