14745639 has 8 divisors (see below), whose sum is σ = 20079360. Its totient is φ = 9621176.

The previous prime is 14745637. The next prime is 14745641. The reversal of 14745639 is 93654741.

It is an interprime number because it is at equal distance from previous prime (14745637) and next prime (14745641).

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

It is a cyclic number.

It is not a de Polignac number, because 14745639 - 2¹ = 14745637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14745597 and 14745606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14745631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52149 + ... + 52430.

It is an arithmetic number, because the mean of its divisors is an integer number (2509920).

Almost surely, 2^14745639 is an apocalyptic number.

14745639 is a deficient number, since it is larger than the sum of its proper divisors (5333721).

14745639 is a wasteful number, since it uses less digits than its factorization.

14745639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104629.

The product of its digits is 90720, while the sum is 39.

The square root of 14745639 is about 3840.0050781216. The cubic root of 14745639 is about 245.2192345555.

Subtracting from 14745639 its sum of digits (39), we obtain a square (14745600 = 3840²).

The spelling of 14745639 in words is "fourteen million, seven hundred forty-five thousand, six hundred thirty-nine".