144453134414542 has 4 divisors (see below), whose sum is σ = 216679701621816. Its totient is φ = 72226567207270.

The previous prime is 144453134414539. The next prime is 144453134414543. The reversal of 144453134414542 is 245414431354441.

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

It is a super-2 number, since 2×144453134414542² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144453134414543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36113283603634 + ... + 36113283603637.

It is an arithmetic number, because the mean of its divisors is an integer number (54169925405454).

Almost surely, 2^{144453134414542} is an apocalyptic number.

144453134414542 is a deficient number, since it is larger than the sum of its proper divisors (72226567207274).

144453134414542 is an equidigital number, since it uses as much as digits as its factorization.

144453134414542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72226567207273.

The product of its digits is 7372800, while the sum is 49.

Adding to 144453134414542 its reverse (245414431354441), we get a palindrome (389867565768983).

The spelling of 144453134414542 in words is "one hundred forty-four trillion, four hundred fifty-three billion, one hundred thirty-four million, four hundred fourteen thousand, five hundred forty-two".