285744600146 has 8 divisors (see below), whose sum is σ = 443396793420. Its totient is φ = 137945669008.

The previous prime is 285744600133. The next prime is 285744600149. The reversal of 285744600146 is 641006447582.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 278877991921 + 6866608225 = 528089^2 + 82865^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 285744600146.

It is not an unprimeable number, because it can be changed into a prime (285744600149) 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, 2463315461 + ... + 2463315576.

Almost surely, 2^285744600146 is an apocalyptic number.

285744600146 is a deficient number, since it is larger than the sum of its proper divisors (157652193274).

285744600146 is a wasteful number, since it uses less digits than its factorization.

285744600146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4926631068.

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 285744600146 in words is "two hundred eighty-five billion, seven hundred forty-four million, six hundred thousand, one hundred forty-six".