14021454542 has 4 divisors (see below), whose sum is σ = 21032181816. Its totient is φ = 7010727270.

The previous prime is 14021454541. The next prime is 14021454569. The reversal of 14021454542 is 24545412041.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×14021454542³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14021454499 and 14021454508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14021454541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3505363634 + ... + 3505363637.

It is an arithmetic number, because the mean of its divisors is an integer number (5258045454).

Almost surely, 2^14021454542 is an apocalyptic number.

14021454542 is a deficient number, since it is larger than the sum of its proper divisors (7010727274).

14021454542 is an equidigital number, since it uses as much as digits as its factorization.

14021454542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7010727273.

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 14021454542 its reverse (24545412041), we get a palindrome (38566866583).

The spelling of 14021454542 in words is "fourteen billion, twenty-one million, four hundred fifty-four thousand, five hundred forty-two".