145202542427 has 4 divisors (see below), whose sum is σ = 145281846576. Its totient is φ = 145123238280.

The previous prime is 145202542421. The next prime is 145202542451. The reversal of 145202542427 is 724245202541.

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

It is a cyclic number.

It is not a de Polignac number, because 145202542427 - 2³² = 140907575131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145202542421) 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, 39649328 + ... + 39652989.

It is an arithmetic number, because the mean of its divisors is an integer number (36320461644).

Almost surely, 2^145202542427 is an apocalyptic number.

145202542427 is a deficient number, since it is larger than the sum of its proper divisors (79304149).

145202542427 is an equidigital number, since it uses as much as digits as its factorization.

145202542427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79304148.

The product of its (nonzero) digits is 179200, while the sum is 38.

Adding to 145202542427 its reverse (724245202541), we get a palindrome (869447744968).

The spelling of 145202542427 in words is "one hundred forty-five billion, two hundred two million, five hundred forty-two thousand, four hundred twenty-seven".