14787945 has 12 divisors (see below), whose sum is σ = 25632516. Its totient is φ = 7886880.

The previous prime is 14787923. The next prime is 14787953. The reversal of 14787945 is 54978741.

It is a happy number.

14787945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10478169 + 4309776 = 3237^2 + 2076^2 .

It is not a de Polignac number, because 14787945 - 2¹² = 14783849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 328621 = 14787945 / (1 + 4 + 7 + 8 + 7 + 9 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 14787945.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164266 + ... + 164355.

It is an arithmetic number, because the mean of its divisors is an integer number (2136043).

Almost surely, 2^14787945 is an apocalyptic number.

14787945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14787945 is a deficient number, since it is larger than the sum of its proper divisors (10844571).

14787945 is a wasteful number, since it uses less digits than its factorization.

14787945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328632 (or 328629 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 14787945 is about 3845.5097191400. The cubic root of 14787945 is about 245.4535261836.

The spelling of 14787945 in words is "fourteen million, seven hundred eighty-seven thousand, nine hundred forty-five".