145540636125 has 64 divisors (see below), whose sum is σ = 251019475200. Its totient is φ = 74798841600.

The previous prime is 145540636093. The next prime is 145540636141. The reversal of 145540636125 is 521636045541.

It is not a de Polignac number, because 145540636125 - 2⁵ = 145540636093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5674831 + ... + 5700419.

It is an arithmetic number, because the mean of its divisors is an integer number (3922179300).

Almost surely, 2^145540636125 is an apocalyptic number.

145540636125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145540636125 is a deficient number, since it is larger than the sum of its proper divisors (105478839075).

145540636125 is a wasteful number, since it uses less digits than its factorization.

145540636125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26159 (or 26149 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 145540636125 in words is "one hundred forty-five billion, five hundred forty million, six hundred thirty-six thousand, one hundred twenty-five".