14780145 has 16 divisors (see below), whose sum is σ = 24676992. Its totient is φ = 7539840.

The previous prime is 14780113. The next prime is 14780159. The reversal of 14780145 is 54108741.

14780145 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14780145 - 2⁵ = 14780113 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21076 + ... + 21765.

It is an arithmetic number, because the mean of its divisors is an integer number (1542312).

Almost surely, 2^14780145 is an apocalyptic number.

14780145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14780145 is a deficient number, since it is larger than the sum of its proper divisors (9896847).

14780145 is a wasteful number, since it uses less digits than its factorization.

14780145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42872.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 14780145 is about 3844.4954155259. The cubic root of 14780145 is about 245.4103632285.

Adding to 14780145 its reverse (54108741), we get a palindrome (68888886).

The spelling of 14780145 in words is "fourteen million, seven hundred eighty thousand, one hundred forty-five".