445240548 has 18 divisors (see below), whose sum is σ = 1125469254. Its totient is φ = 148413504.

The previous prime is 445240519. The next prime is 445240577. The reversal of 445240548 is 845042544.

It is an interprime number because it is at equal distance from previous prime (445240519) and next prime (445240577).

It can be written as a sum of positive squares in only one way, i.e., 413227584 + 32012964 = 20328^2 + 5658^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 12367793 = 445240548 / (4 + 4 + 5 + 2 + 4 + 0 + 5 + 4 + 8).

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, 6183861 + ... + 6183932.

Almost surely, 2^445240548 is an apocalyptic number.

It is an amenable number.

445240548 is an abundant number, since it is smaller than the sum of its proper divisors (680228706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445240548 is a wasteful number, since it uses less digits than its factorization.

445240548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12367803 (or 12367798 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

The square root of 445240548 is about 21100.7238738390. The cubic root of 445240548 is about 763.5982121169.

The spelling of 445240548 in words is "four hundred forty-five million, two hundred forty thousand, five hundred forty-eight".