285157466129 has 8 divisors (see below), whose sum is σ = 300176316000. Its totient is φ = 270139672512.

The previous prime is 285157466071. The next prime is 285157466147. The reversal of 285157466129 is 921664751582.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-285157466129 is a prime.

It is a super-2 number, since 2×285157466129² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285157436129) 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, 323657 + ... + 821625.

It is an arithmetic number, because the mean of its divisors is an integer number (37522039500).

Almost surely, 2^285157466129 is an apocalyptic number.

It is an amenable number.

285157466129 is a deficient number, since it is larger than the sum of its proper divisors (15018849871).

285157466129 is a wasteful number, since it uses less digits than its factorization.

285157466129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528127.

The product of its digits is 7257600, while the sum is 56.

The spelling of 285157466129 in words is "two hundred eighty-five billion, one hundred fifty-seven million, four hundred sixty-six thousand, one hundred twenty-nine".