14153661 has 6 divisors (see below), whose sum is σ = 20444190. Its totient is φ = 9435768.

The previous prime is 14153641. The next prime is 14153693. The reversal of 14153661 is 16635141.

It can be written as a sum of positive squares in only one way, i.e., 11431161 + 2722500 = 3381^2 + 1650^2 .

It is not a de Polignac number, because 14153661 - 2²¹ = 12056509 is a prime.

It is a super-2 number, since 2×14153661² = 400652239405842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14153611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 786306 + ... + 786323.

It is an arithmetic number, because the mean of its divisors is an integer number (3407365).

Almost surely, 2^14153661 is an apocalyptic number.

It is an amenable number.

14153661 is a deficient number, since it is larger than the sum of its proper divisors (6290529).

14153661 is a wasteful number, since it uses less digits than its factorization.

14153661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572635 (or 1572632 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 14153661 is about 3762.1351650359. The cubic root of 14153661 is about 241.8927933949.

The spelling of 14153661 in words is "fourteen million, one hundred fifty-three thousand, six hundred sixty-one".