444713545 has 16 divisors (see below), whose sum is σ = 548904528. Its totient is φ = 345634560.

The previous prime is 444713531. The next prime is 444713551. The reversal of 444713545 is 545317444.

It can be written as a sum of positive squares in 8 ways, for example, as 25160256 + 419553289 = 5016^2 + 20483^2 .

It is not a de Polignac number, because 444713545 - 2¹³ = 444705353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160875 + ... + 163615.

It is an arithmetic number, because the mean of its divisors is an integer number (34306533).

Almost surely, 2^444713545 is an apocalyptic number.

It is an amenable number.

444713545 is a deficient number, since it is larger than the sum of its proper divisors (104190983).

444713545 is a wasteful number, since it uses less digits than its factorization.

444713545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3660.

The product of its digits is 134400, while the sum is 37.

The square root of 444713545 is about 21088.2323820656. The cubic root of 444713545 is about 763.2968189132.

The spelling of 444713545 in words is "four hundred forty-four million, seven hundred thirteen thousand, five hundred forty-five".