229157141472 has 288 divisors, whose sum is σ = 793225585152. Its totient is φ = 63703355904.

The previous prime is 229157141449. The next prime is 229157141533. The reversal of 229157141472 is 274141751922.

229157141472 is a `hidden beast` number, since 2 + 2 + 9 + 1 + 571 + 4 + 1 + 4 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1957093 + ... + 2070875.

It is an arithmetic number, because the mean of its divisors is an integer number (2754255504).

Almost surely, 2^229157141472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229157141472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396612792576).

229157141472 is an abundant number, since it is smaller than the sum of its proper divisors (564068443680).

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

229157141472 is a wasteful number, since it uses less digits than its factorization.

229157141472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113852 (or 113832 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The spelling of 229157141472 in words is "two hundred twenty-nine billion, one hundred fifty-seven million, one hundred forty-one thousand, four hundred seventy-two".