145242125 has 48 divisors (see below), whose sum is σ = 220237056. Its totient is φ = 95172000.

The previous prime is 145242107. The next prime is 145242143. The reversal of 145242125 is 521242541.

It is an interprime number because it is at equal distance from previous prime (145242107) and next prime (145242143).

It is not a de Polignac number, because 145242125 - 2⁸ = 145241869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145242094 and 145242103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140360 + ... + 141390.

It is an arithmetic number, because the mean of its divisors is an integer number (4588272).

Almost surely, 2^145242125 is an apocalyptic number.

It is an amenable number.

145242125 is a deficient number, since it is larger than the sum of its proper divisors (74994931).

145242125 is a wasteful number, since it uses less digits than its factorization.

145242125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083 (or 1066 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 145242125 is about 12051.6440787139. The cubic root of 145242125 is about 525.6510441686.

Adding to 145242125 its reverse (521242541), we get a palindrome (666484666).

The spelling of 145242125 in words is "one hundred forty-five million, two hundred forty-two thousand, one hundred twenty-five".