145120112105053 has 4 divisors (see below), whose sum is σ = 146616195735100. Its totient is φ = 143624028475008.

The previous prime is 145120112105041. The next prime is 145120112105057. The reversal of 145120112105053 is 350501211021541.

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

It can be written as a sum of positive squares in 2 ways, for example, as 99428758131609 + 45691353973444 = 9971397^2 + 6759538^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145120112105053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145120112105057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748041814878 + ... + 748041815071.

It is an arithmetic number, because the mean of its divisors is an integer number (36654048933775).

Almost surely, 2^{145120112105053} is an apocalyptic number.

It is an amenable number.

145120112105053 is a deficient number, since it is larger than the sum of its proper divisors (1496083630047).

145120112105053 is an equidigital number, since it uses as much as digits as its factorization.

145120112105053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496083630046.

The product of its (nonzero) digits is 6000, while the sum is 31.

Adding to 145120112105053 its reverse (350501211021541), we get a palindrome (495621323126594).

The spelling of 145120112105053 in words is "one hundred forty-five trillion, one hundred twenty billion, one hundred twelve million, one hundred five thousand, fifty-three".