145252254525 has 36 divisors (see below), whose sum is σ = 279358628832. Its totient is φ = 66401028960.

The previous prime is 145252254523. The next prime is 145252254551. The reversal of 145252254525 is 525452252541.

145252254525 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 145252254525 - 2¹ = 145252254523 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145252254523) 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 35 ways as a sum of consecutive naturals, for example, 19758537 + ... + 19765886.

It is an arithmetic number, because the mean of its divisors is an integer number (7759961912).

Almost surely, 2^145252254525 is an apocalyptic number.

145252254525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145252254525 is a deficient number, since it is larger than the sum of its proper divisors (134106374307).

145252254525 is a wasteful number, since it uses less digits than its factorization.

145252254525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39524450 (or 39524438 counting only the distinct ones).

The product of its digits is 800000, while the sum is 42.

The spelling of 145252254525 in words is "one hundred forty-five billion, two hundred fifty-two million, two hundred fifty-four thousand, five hundred twenty-five".