14999945 has 8 divisors (see below), whose sum is σ = 18021960. Its totient is φ = 11985280.

The previous prime is 14999921. The next prime is 14999947. The reversal of 14999945 is 54999941.

It can be written as a sum of positive squares in 4 ways, for example, as 2524921 + 12475024 = 1589^2 + 3532^2 .

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

It is not a de Polignac number, because 14999945 - 2¹⁴ = 14983561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14999893 and 14999902.

It is not an unprimeable number, because it can be changed into a prime (14999947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4925 + ... + 7365.

It is an arithmetic number, because the mean of its divisors is an integer number (2252745).

Almost surely, 2^14999945 is an apocalyptic number.

It is an amenable number.

14999945 is a deficient number, since it is larger than the sum of its proper divisors (3022015).

14999945 is a wasteful number, since it uses less digits than its factorization.

14999945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675.

The product of its digits is 524880, while the sum is 50.

The square root of 14999945 is about 3872.9762457314. The cubic root of 14999945 is about 246.6209060068.

The spelling of 14999945 in words is "fourteen million, nine hundred ninety-nine thousand, nine hundred forty-five".