145042525 has 6 divisors (see below), whose sum is σ = 179852762. Its totient is φ = 116034000.

The previous prime is 145042507. The next prime is 145042529. The reversal of 145042525 is 525240541.

It can be written as a sum of positive squares in 3 ways, for example, as 32761 + 145009764 = 181^2 + 12042^2 .

It is not a de Polignac number, because 145042525 - 2⁵ = 145042493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145042493 and 145042502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145042529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2900826 + ... + 2900875.

Almost surely, 2^145042525 is an apocalyptic number.

It is an amenable number.

145042525 is a deficient number, since it is larger than the sum of its proper divisors (34810237).

145042525 is an equidigital number, since it uses as much as digits as its factorization.

145042525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5801711 (or 5801706 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 145042525 is about 12043.3602038634. The cubic root of 145042525 is about 525.4101405798.

The spelling of 145042525 in words is "one hundred forty-five million, forty-two thousand, five hundred twenty-five".