445125361 has 4 divisors (see below), whose sum is σ = 445310452. Its totient is φ = 444940272.

The previous prime is 445125349. The next prime is 445125487. The reversal of 445125361 is 163521544.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 433264225 + 11861136 = 20815^2 + 3444^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445125361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445125061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88890 + ... + 93763.

It is an arithmetic number, because the mean of its divisors is an integer number (111327613).

Almost surely, 2^445125361 is an apocalyptic number.

It is an amenable number.

445125361 is a deficient number, since it is larger than the sum of its proper divisors (185091).

445125361 is a wasteful number, since it uses less digits than its factorization.

445125361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185090.

The product of its digits is 14400, while the sum is 31.

The square root of 445125361 is about 21097.9942411595. The cubic root of 445125361 is about 763.5323569488.

The spelling of 445125361 in words is "four hundred forty-five million, one hundred twenty-five thousand, three hundred sixty-one".