145040113225 has 72 divisors (see below), whose sum is σ = 209726219520. Its totient is φ = 97464192000.

The previous prime is 145040113223. The next prime is 145040113237. The reversal of 145040113225 is 522311040541.

It is not a de Polignac number, because 145040113225 - 2¹ = 145040113223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145040113193 and 145040113202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145040113223) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 201724416 + ... + 201725134.

It is an arithmetic number, because the mean of its divisors is an integer number (2912864160).

Almost surely, 2^145040113225 is an apocalyptic number.

It is an amenable number.

145040113225 is a deficient number, since it is larger than the sum of its proper divisors (64686106295).

145040113225 is a wasteful number, since it uses less digits than its factorization.

145040113225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051 (or 945 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 145040113225 its reverse (522311040541), we get a palindrome (667351153766).

The spelling of 145040113225 in words is "one hundred forty-five billion, forty million, one hundred thirteen thousand, two hundred twenty-five".