14645981 has 8 divisors (see below), whose sum is σ = 17278464. Its totient is φ = 12148560.

The previous prime is 14645921. The next prime is 14646011. The reversal of 14645981 is 18954641.

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 14645981 - 2¹⁴ = 14629597 is a prime.

It is a super-2 number, since 2×14645981² = 429009518904722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14645921) 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, 33530 + ... + 33963.

It is an arithmetic number, because the mean of its divisors is an integer number (2159808).

Almost surely, 2^14645981 is an apocalyptic number.

It is an amenable number.

14645981 is a deficient number, since it is larger than the sum of its proper divisors (2632483).

14645981 is an equidigital number, since it uses as much as digits as its factorization.

14645981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67531.

The product of its digits is 34560, while the sum is 38.

The square root of 14645981 is about 3827.0067938273. The cubic root of 14645981 is about 244.6655494789.

The spelling of 14645981 in words is "fourteen million, six hundred forty-five thousand, nine hundred eighty-one".