140445030 has 32 divisors (see below), whose sum is σ = 367711488. Its totient is φ = 34047200.

The previous prime is 140445001. The next prime is 140445073. The reversal of 140445030 is 30544041.

It is a junction number, because it is equal to n+sod(n) for n = 140444988 and 140445006.

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 15 ways as a sum of consecutive naturals, for example, 212466 + ... + 213125.

It is an arithmetic number, because the mean of its divisors is an integer number (11490984).

Almost surely, 2^140445030 is an apocalyptic number.

140445030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140445030 is an abundant number, since it is smaller than the sum of its proper divisors (227266458).

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

140445030 is a wasteful number, since it uses less digits than its factorization.

140445030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425612.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 140445030 is about 11850.9505947835. The cubic root of 140445030 is about 519.7990224317.

Adding to 140445030 its reverse (30544041), we get a palindrome (170989071).

The spelling of 140445030 in words is "one hundred forty million, four hundred forty-five thousand, thirty".