485444137 has 8 divisors (see below), whose sum is σ = 503296200. Its totient is φ = 467666304.

The previous prime is 485444123. The next prime is 485444143. The reversal of 485444137 is 731444584.

It can be written as a sum of positive squares in 4 ways, for example, as 289136016 + 196308121 = 17004^2 + 14011^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 485444137 - 2²³ = 477055529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 485444137.

It is not an unprimeable number, because it can be changed into a prime (485444837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5062 + ... + 31567.

It is an arithmetic number, because the mean of its divisors is an integer number (62912025).

Almost surely, 2^485444137 is an apocalyptic number.

It is an amenable number.

485444137 is a deficient number, since it is larger than the sum of its proper divisors (17852063).

485444137 is a wasteful number, since it uses less digits than its factorization.

485444137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37115.

The product of its digits is 215040, while the sum is 40.

The square root of 485444137 is about 22032.7968492427. The cubic root of 485444137 is about 785.9225563446.

The spelling of 485444137 in words is "four hundred eighty-five million, four hundred forty-four thousand, one hundred thirty-seven".