140443455 has 8 divisors (see below), whose sum is σ = 224709552. Its totient is φ = 74903168.

The previous prime is 140443447. The next prime is 140443463. The reversal of 140443455 is 554344041.

It is an interprime number because it is at equal distance from previous prime (140443447) and next prime (140443463).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140443455 - 2³ = 140443447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4681434 + ... + 4681463.

It is an arithmetic number, because the mean of its divisors is an integer number (28088694).

Almost surely, 2^140443455 is an apocalyptic number.

140443455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140443455 is a deficient number, since it is larger than the sum of its proper divisors (84266097).

140443455 is an equidigital number, since it uses as much as digits as its factorization.

140443455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9362905.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 140443455 is about 11850.8841442316. The cubic root of 140443455 is about 519.7970793547.

Adding to 140443455 its reverse (554344041), we get a palindrome (694787496).

The spelling of 140443455 in words is "one hundred forty million, four hundred forty-three thousand, four hundred fifty-five".