145560725 has 12 divisors (see below), whose sum is σ = 180661056. Its totient is φ = 116341680.

The previous prime is 145560697. The next prime is 145560731. The reversal of 145560725 is 527065541.

It is not a de Polignac number, because 145560725 - 2²⁰ = 144512149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36164 + ... + 39986.

It is an arithmetic number, because the mean of its divisors is an integer number (15055088).

Almost surely, 2^145560725 is an apocalyptic number.

It is an amenable number.

145560725 is a deficient number, since it is larger than the sum of its proper divisors (35100331).

145560725 is a wasteful number, since it uses less digits than its factorization.

145560725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5356 (or 5351 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 145560725 is about 12064.8549514696. The cubic root of 145560725 is about 526.0351157480.

The spelling of 145560725 in words is "one hundred forty-five million, five hundred sixty thousand, seven hundred twenty-five".