14540045021 has 2 divisors, whose sum is σ = 14540045022. Its totient is φ = 14540045020.

The previous prime is 14540044957. The next prime is 14540045083. The reversal of 14540045021 is 12054004541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13282562500 + 1257482521 = 115250^2 + 35461^2 .

It is a cyclic number.

It is not a de Polignac number, because 14540045021 - 2⁶ = 14540044957 is a prime.

It is a super-2 number, since 2×14540045021² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14540042021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7270022510 + 7270022511.

It is an arithmetic number, because the mean of its divisors is an integer number (7270022511).

Almost surely, 2^14540045021 is an apocalyptic number.

It is an amenable number.

14540045021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14540045021 is an equidigital number, since it uses as much as digits as its factorization.

14540045021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 14540045021 its reverse (12054004541), we get a palindrome (26594049562).

The spelling of 14540045021 in words is "fourteen billion, five hundred forty million, forty-five thousand, twenty-one".