445527738 has 24 divisors (see below), whose sum is σ = 1022093748. Its totient is φ = 139773312.

The previous prime is 445527727. The next prime is 445527739. The reversal of 445527738 is 837725544.

It can be written as a sum of positive squares in 2 ways, for example, as 444914649 + 613089 = 21093^2 + 783^2 .

It is a super-3 number, since 3×445527738³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 445527693 and 445527702.

It is not an unprimeable number, because it can be changed into a prime (445527739) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 727681 + ... + 728292.

Almost surely, 2^445527738 is an apocalyptic number.

445527738 is an abundant number, since it is smaller than the sum of its proper divisors (576566010).

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

445527738 is a wasteful number, since it uses less digits than its factorization.

445527738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455998 (or 1455995 counting only the distinct ones).

The product of its digits is 940800, while the sum is 45.

The square root of 445527738 is about 21107.5279935856. The cubic root of 445527738 is about 763.7623560744.

The spelling of 445527738 in words is "four hundred forty-five million, five hundred twenty-seven thousand, seven hundred thirty-eight".