145145125 has 32 divisors (see below), whose sum is σ = 187858944. Its totient is φ = 111888000.

The previous prime is 145145101. The next prime is 145145129. The reversal of 145145125 is 521541541.

145145125 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 145145125 - 2¹¹ = 145143077 is a prime.

It is a super-2 number, since 2×145145125² = 42134214622531250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145145093 and 145145102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145145129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 650764 + ... + 650986.

It is an arithmetic number, because the mean of its divisors is an integer number (5870592).

Almost surely, 2^145145125 is an apocalyptic number.

It is an amenable number.

145145125 is a deficient number, since it is larger than the sum of its proper divisors (42713819).

145145125 is a wasteful number, since it uses less digits than its factorization.

145145125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 396 counting only the distinct ones).

The product of its digits is 4000, while the sum is 28.

The square root of 145145125 is about 12047.6190593826. The cubic root of 145145125 is about 525.5339993688.

Adding to 145145125 its reverse (521541541), we get a palindrome (666686666).

The spelling of 145145125 in words is "one hundred forty-five million, one hundred forty-five thousand, one hundred twenty-five".