14987145 has 16 divisors (see below), whose sum is σ = 25022592. Its totient is φ = 7645440.

The previous prime is 14987131. The next prime is 14987153. The reversal of 14987145 is 54178941.

It is not a de Polignac number, because 14987145 - 2⁴ = 14987129 is a prime.

It is a super-2 number, since 2×14987145² = 449229030502050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21376 + ... + 22065.

It is an arithmetic number, because the mean of its divisors is an integer number (1563912).

Almost surely, 2^14987145 is an apocalyptic number.

14987145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14987145 is a deficient number, since it is larger than the sum of its proper divisors (10035447).

14987145 is a wasteful number, since it uses less digits than its factorization.

14987145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43472.

The product of its digits is 40320, while the sum is 39.

The square root of 14987145 is about 3871.3234171275. The cubic root of 14987145 is about 246.5507358396.

The spelling of 14987145 in words is "fourteen million, nine hundred eighty-seven thousand, one hundred forty-five".