145142532403441 has 4 divisors (see below), whose sum is σ = 145149609440500. Its totient is φ = 145135455366384.

The previous prime is 145142532403439. The next prime is 145142532403481. The reversal of 145142532403441 is 144304235241541.

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 8841577363441 + 136300955040000 = 2973479^2 + 11674800^2 .

It is a cyclic number.

It is not a de Polignac number, because 145142532403441 - 2¹ = 145142532403439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145142532403411) 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, 3538487766 + ... + 3538528783.

It is an arithmetic number, because the mean of its divisors is an integer number (36287402360125).

Almost surely, 2^{145142532403441} is an apocalyptic number.

It is an amenable number.

145142532403441 is a deficient number, since it is larger than the sum of its proper divisors (7077037059).

145142532403441 is an equidigital number, since it uses as much as digits as its factorization.

145142532403441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7077037058.

The product of its (nonzero) digits is 921600, while the sum is 43.

Adding to 145142532403441 its reverse (144304235241541), we get a palindrome (289446767644982).

The spelling of 145142532403441 in words is "one hundred forty-five trillion, one hundred forty-two billion, five hundred thirty-two million, four hundred three thousand, four hundred forty-one".