140445430 has 16 divisors (see below), whose sum is σ = 256266144. Its totient is φ = 55408320.

The previous prime is 140445391. The next prime is 140445433. The reversal of 140445430 is 34544041.

It is a junction number, because it is equal to n+sod(n) for n = 140445395 and 140445404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140445433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95466 + ... + 96925.

It is an arithmetic number, because the mean of its divisors is an integer number (16016634).

Almost surely, 2^140445430 is an apocalyptic number.

140445430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140445430 is a deficient number, since it is larger than the sum of its proper divisors (115820714).

140445430 is a wasteful number, since it uses less digits than its factorization.

140445430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192471.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 140445430 is about 11850.9674710548. The cubic root of 140445430 is about 519.7995159093.

Adding to 140445430 its reverse (34544041), we get a palindrome (174989471).

The spelling of 140445430 in words is "one hundred forty million, four hundred forty-five thousand, four hundred thirty".