140012445 has 8 divisors (see below), whose sum is σ = 224019936. Its totient is φ = 74673296.

The previous prime is 140012437. The next prime is 140012473. The reversal of 140012445 is 544210041.

It is a happy number.

140012445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 140012445 - 2³ = 140012437 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, 4667067 + ... + 4667096.

It is an arithmetic number, because the mean of its divisors is an integer number (28002492).

Almost surely, 2^140012445 is an apocalyptic number.

140012445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140012445 is a deficient number, since it is larger than the sum of its proper divisors (84007491).

140012445 is an equidigital number, since it uses as much as digits as its factorization.

140012445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9334171.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 140012445 is about 11832.6854517476. The cubic root of 140012445 is about 519.2647955838.

Adding to 140012445 its reverse (544210041), we get a palindrome (684222486).

The spelling of 140012445 in words is "one hundred forty million, twelve thousand, four hundred forty-five".