145020125 has 8 divisors (see below), whose sum is σ = 180985272. Its totient is φ = 116016000.

The previous prime is 145020101. The next prime is 145020163. The reversal of 145020125 is 521020541.

145020125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 683929 + 144336196 = 827^2 + 12014^2 .

It is not a de Polignac number, because 145020125 - 2¹⁰ = 145019101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145020097 and 145020106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579956 + ... + 580205.

It is an arithmetic number, because the mean of its divisors is an integer number (22623159).

Almost surely, 2^145020125 is an apocalyptic number.

It is an amenable number.

145020125 is a deficient number, since it is larger than the sum of its proper divisors (35965147).

145020125 is an equidigital number, since it uses as much as digits as its factorization.

145020125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160176 (or 1160166 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 145020125 is about 12042.4301949399. The cubic root of 145020125 is about 525.3830915171.

Adding to 145020125 its reverse (521020541), we get a palindrome (666040666).

The spelling of 145020125 in words is "one hundred forty-five million, twenty thousand, one hundred twenty-five".