14780146 has 8 divisors (see below), whose sum is σ = 22237020. Its totient is φ = 7367808.

The previous prime is 14780113. The next prime is 14780159. The reversal of 14780146 is 64108741.

14780146 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 13950225 + 829921 = 3735^2 + 911^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10291 + ... + 11638.

Almost surely, 2^14780146 is an apocalyptic number.

14780146 is a deficient number, since it is larger than the sum of its proper divisors (7456874).

14780146 is a wasteful number, since it uses less digits than its factorization.

14780146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22268.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 14780146 is about 3844.4955455820. The cubic root of 14780146 is about 245.4103687632.

Adding to 14780146 its reverse (64108741), we get a palindrome (78888887).

The spelling of 14780146 in words is "fourteen million, seven hundred eighty thousand, one hundred forty-six".