145344254525 has 48 divisors (see below), whose sum is σ = 186227330688. Its totient is φ = 112476000000.

The previous prime is 145344254521. The next prime is 145344254543. The reversal of 145344254525 is 525452443541.

145344254525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145344254525 - 2² = 145344254521 is a prime.

It is a super-2 number, since 2×145344254525² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145344254521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33587912 + ... + 33592238.

It is an arithmetic number, because the mean of its divisors is an integer number (3879736056).

Almost surely, 2^145344254525 is an apocalyptic number.

It is an amenable number.

145344254525 is a deficient number, since it is larger than the sum of its proper divisors (40883076163).

145344254525 is a wasteful number, since it uses less digits than its factorization.

145344254525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4742 (or 4737 counting only the distinct ones).

The product of its digits is 1920000, while the sum is 44.

The spelling of 145344254525 in words is "one hundred forty-five billion, three hundred forty-four million, two hundred fifty-four thousand, five hundred twenty-five".