229831572144 has 40 divisors (see below), whose sum is σ = 609778365040. Its totient is φ = 74539968768.

The previous prime is 229831572133. The next prime is 229831572211. The reversal of 229831572144 is 441275138922.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 229831572093 and 229831572102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64703059 + ... + 64706610.

It is an arithmetic number, because the mean of its divisors is an integer number (15244459126).

Almost surely, 2^229831572144 is an apocalyptic number.

229831572144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

229831572144 is an abundant number, since it is smaller than the sum of its proper divisors (379946792896).

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

229831572144 is a wasteful number, since it uses less digits than its factorization.

229831572144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129409717 (or 129409711 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The spelling of 229831572144 in words is "two hundred twenty-nine billion, eight hundred thirty-one million, five hundred seventy-two thousand, one hundred forty-four".