445053757 has 4 divisors (see below), whose sum is σ = 445264156. Its totient is φ = 444843360.

The previous prime is 445053683. The next prime is 445053769. The reversal of 445053757 is 757350544.

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 124679556 + 320374201 = 11166^2 + 17899^2 .

It is a cyclic number.

It is not a de Polignac number, because 445053757 - 2⁷ = 445053629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445050757) 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, 101994 + ... + 106267.

It is an arithmetic number, because the mean of its divisors is an integer number (111316039).

Almost surely, 2^445053757 is an apocalyptic number.

It is an amenable number.

445053757 is a deficient number, since it is larger than the sum of its proper divisors (210399).

445053757 is a wasteful number, since it uses less digits than its factorization.

445053757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210398.

The product of its (nonzero) digits is 294000, while the sum is 40.

The square root of 445053757 is about 21096.2972343490. The cubic root of 445053757 is about 763.4914134997.

The spelling of 445053757 in words is "four hundred forty-five million, fifty-three thousand, seven hundred fifty-seven".