10140645 has 8 divisors (see below), whose sum is σ = 16225056. Its totient is φ = 5408336.

The previous prime is 10140643. The next prime is 10140709. The reversal of 10140645 is 54604101.

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 10140645 - 2¹ = 10140643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10140643) 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, 338007 + ... + 338036.

It is an arithmetic number, because the mean of its divisors is an integer number (2028132).

Almost surely, 2^10140645 is an apocalyptic number.

10140645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10140645 is a deficient number, since it is larger than the sum of its proper divisors (6084411).

10140645 is an equidigital number, since it uses as much as digits as its factorization.

10140645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676051.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 10140645 is about 3184.4379409874. The cubic root of 10140645 is about 216.4488053369.

Adding to 10140645 its reverse (54604101), we get a palindrome (64744746).

The spelling of 10140645 in words is "ten million, one hundred forty thousand, six hundred forty-five".