14001642 has 24 divisors (see below), whose sum is σ = 32122116. Its totient is φ = 4392576.

The previous prime is 14001607. The next prime is 14001643. The reversal of 14001642 is 24610041.

It can be written as a sum of positive squares in 2 ways, for example, as 13995081 + 6561 = 3741^2 + 81^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (14001643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22573 + ... + 23184.

Almost surely, 2^14001642 is an apocalyptic number.

14001642 is an abundant number, since it is smaller than the sum of its proper divisors (18120474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14001642 is a wasteful number, since it uses less digits than its factorization.

14001642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45782 (or 45779 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 14001642 is about 3741.8768018202. The cubic root of 14001642 is about 241.0236485577.

Adding to 14001642 its reverse (24610041), we get a palindrome (38611683).

The spelling of 14001642 in words is "fourteen million, one thousand, six hundred forty-two".