145577125 has 8 divisors (see below), whose sum is σ = 181680408. Its totient is φ = 116461600.

The previous prime is 145577099. The next prime is 145577153. The reversal of 145577125 is 521775541.

It can be written as a sum of positive squares in 4 ways, for example, as 25411681 + 120165444 = 5041^2 + 10962^2 .

It is not a de Polignac number, because 145577125 - 2¹³ = 145568933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 582184 + ... + 582433.

It is an arithmetic number, because the mean of its divisors is an integer number (22710051).

Almost surely, 2^145577125 is an apocalyptic number.

It is an amenable number.

145577125 is a deficient number, since it is larger than the sum of its proper divisors (36103283).

145577125 is an equidigital number, since it uses as much as digits as its factorization.

145577125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164632 (or 1164622 counting only the distinct ones).

The product of its digits is 49000, while the sum is 37.

The square root of 145577125 is about 12065.5345923834. The cubic root of 145577125 is about 526.0548707378.

The spelling of 145577125 in words is "one hundred forty-five million, five hundred seventy-seven thousand, one hundred twenty-five".