242146899 has 12 divisors (see below), whose sum is σ = 349931400. Its totient is φ = 161355744.

The previous prime is 242146847. The next prime is 242146987. The reversal of 242146899 is 998641242.

It is not a de Polignac number, because 242146899 - 2¹⁹ = 241622611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242146199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19632 + ... + 29490.

It is an arithmetic number, because the mean of its divisors is an integer number (29160950).

Almost surely, 2^242146899 is an apocalyptic number.

242146899 is a deficient number, since it is larger than the sum of its proper divisors (107784501).

242146899 is a wasteful number, since it uses less digits than its factorization.

242146899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12594 (or 12591 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 242146899 is about 15561.0699824916. The cubic root of 242146899 is about 623.2940348762.

It can be divided in two parts, 24214 and 6899, that added together give a palindrome (31113).

The spelling of 242146899 in words is "two hundred forty-two million, one hundred forty-six thousand, eight hundred ninety-nine".