20141445 has 32 divisors (see below), whose sum is σ = 34099200. Its totient is φ = 10131264.

The previous prime is 20141441. The next prime is 20141449. The reversal of 20141445 is 54414102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20141441) and next prime (20141449).

It is not a de Polignac number, because 20141445 - 2² = 20141441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20141441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26886 + ... + 27624.

It is an arithmetic number, because the mean of its divisors is an integer number (1065600).

Almost surely, 2^20141445 is an apocalyptic number.

It is an amenable number.

20141445 is a deficient number, since it is larger than the sum of its proper divisors (13957755).

20141445 is a wasteful number, since it uses less digits than its factorization.

20141445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 20141445 is about 4487.9221249928. The cubic root of 20141445 is about 272.0801603776.

Adding to 20141445 its reverse (54414102), we get a palindrome (74555547).

The spelling of 20141445 in words is "twenty million, one hundred forty-one thousand, four hundred forty-five".