145023245525 has 24 divisors (see below), whose sum is σ = 181648593984. Its totient is φ = 114845472000.

The previous prime is 145023245509. The next prime is 145023245537. The reversal of 145023245525 is 525542320541.

It is not a de Polignac number, because 145023245525 - 2⁴ = 145023245509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7202522 + ... + 7222628.

It is an arithmetic number, because the mean of its divisors is an integer number (7568691416).

Almost surely, 2^145023245525 is an apocalyptic number.

It is an amenable number.

145023245525 is a deficient number, since it is larger than the sum of its proper divisors (36625348459).

145023245525 is a wasteful number, since it uses less digits than its factorization.

145023245525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23021 (or 23016 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 145023245525 in words is "one hundred forty-five billion, twenty-three million, two hundred forty-five thousand, five hundred twenty-five".