145035725 has 6 divisors (see below), whose sum is σ = 179844330. Its totient is φ = 116028560.

The previous prime is 145035679. The next prime is 145035731. The reversal of 145035725 is 527530541.

It can be written as a sum of positive squares in 3 ways, for example, as 7043716 + 137992009 = 2654^2 + 11747^2 .

It is not a de Polignac number, because 145035725 - 2⁸ = 145035469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145035691 and 145035700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2900690 + ... + 2900739.

It is an arithmetic number, because the mean of its divisors is an integer number (29974055).

Almost surely, 2^145035725 is an apocalyptic number.

It is an amenable number.

145035725 is a deficient number, since it is larger than the sum of its proper divisors (34808605).

145035725 is an equidigital number, since it uses as much as digits as its factorization.

145035725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5801439 (or 5801434 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 145035725 is about 12043.0778873177. The cubic root of 145035725 is about 525.4019295516.

The spelling of 145035725 in words is "one hundred forty-five million, thirty-five thousand, seven hundred twenty-five".