145436663201625 has 48 divisors (see below), whose sum is σ = 262518338663568. Its totient is φ = 77464293216000.

The previous prime is 145436663201623. The next prime is 145436663201629. The reversal of 145436663201625 is 526102366634541.

It can be written as a sum of positive squares in 8 ways, for example, as 132039679685904 + 13396983515721 = 11490852^2 + 3660189^2 .

It is not a de Polignac number, because 145436663201625 - 2¹ = 145436663201623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145436663201623) 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 in 47 ways as a sum of consecutive naturals, for example, 84082794 + ... + 85795043.

It is an arithmetic number, because the mean of its divisors is an integer number (5469132055491).

Almost surely, 2^{145436663201625} is an apocalyptic number.

145436663201625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145436663201625 is a deficient number, since it is larger than the sum of its proper divisors (117081675461943).

145436663201625 is a wasteful number, since it uses less digits than its factorization.

145436663201625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169878619 (or 169878606 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 54.

The spelling of 145436663201625 in words is "one hundred forty-five trillion, four hundred thirty-six billion, six hundred sixty-three million, two hundred one thousand, six hundred twenty-five".