13945125 has 32 divisors (see below), whose sum is σ = 23796864. Its totient is φ = 7248000.

The previous prime is 13945121. The next prime is 13945157. The reversal of 13945125 is 52154931.

It is not a de Polignac number, because 13945125 - 2² = 13945121 is a prime.

It is a super-2 number, since 2×13945125² = 388933022531250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13945092 and 13945101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13945121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14922 + ... + 15828.

It is an arithmetic number, because the mean of its divisors is an integer number (743652).

Almost surely, 2^13945125 is an apocalyptic number.

13945125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13945125 is a deficient number, since it is larger than the sum of its proper divisors (9851739).

13945125 is an equidigital number, since it uses as much as digits as its factorization.

13945125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966 (or 956 counting only the distinct ones).

The product of its digits is 5400, while the sum is 30.

The square root of 13945125 is about 3734.3172066658. The cubic root of 13945125 is about 240.6989175282.

The spelling of 13945125 in words is "thirteen million, nine hundred forty-five thousand, one hundred twenty-five".