243221141151 has 32 divisors (see below), whose sum is σ = 362728689600. Its totient is φ = 161067553920.

The previous prime is 243221141143. The next prime is 243221141197. The reversal of 243221141151 is 151141122342.

243221141151 is a `hidden beast` number, since 2 + 4 + 32 + 211 + 411 + 5 + 1 = 666.

It is not a de Polignac number, because 243221141151 - 2³ = 243221141143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243221141951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20294581 + ... + 20306561.

It is an arithmetic number, because the mean of its divisors is an integer number (11335271550).

Almost surely, 2^243221141151 is an apocalyptic number.

243221141151 is a deficient number, since it is larger than the sum of its proper divisors (119507548449).

243221141151 is a wasteful number, since it uses less digits than its factorization.

243221141151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16936 (or 16930 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

Adding to 243221141151 its reverse (151141122342), we get a palindrome (394362263493).

The spelling of 243221141151 in words is "two hundred forty-three billion, two hundred twenty-one million, one hundred forty-one thousand, one hundred fifty-one".