147442537225 has 24 divisors (see below), whose sum is σ = 193624134048. Its totient is φ = 110992185600.

The previous prime is 147442537223. The next prime is 147442537261. The reversal of 147442537225 is 522735244741.

It is not a de Polignac number, because 147442537225 - 2¹ = 147442537223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147442537223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2136510 + ... + 2204440.

It is an arithmetic number, because the mean of its divisors is an integer number (8067672252).

Almost surely, 2^147442537225 is an apocalyptic number.

It is an amenable number.

147442537225 is a deficient number, since it is larger than the sum of its proper divisors (46181596823).

147442537225 is a wasteful number, since it uses less digits than its factorization.

147442537225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73065 (or 73060 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 46.

The spelling of 147442537225 in words is "one hundred forty-seven billion, four hundred forty-two million, five hundred thirty-seven thousand, two hundred twenty-five".