242452137 has 4 divisors (see below), whose sum is σ = 323269520. Its totient is φ = 161634756.

The previous prime is 242452129. The next prime is 242452169. The reversal of 242452137 is 731254242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 242452137 - 2³ = 242452129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242452127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40408687 + ... + 40408692.

It is an arithmetic number, because the mean of its divisors is an integer number (80817380).

Almost surely, 2^242452137 is an apocalyptic number.

It is an amenable number.

242452137 is a deficient number, since it is larger than the sum of its proper divisors (80817383).

242452137 is an equidigital number, since it uses as much as digits as its factorization.

242452137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80817382.

The product of its digits is 13440, while the sum is 30.

The square root of 242452137 is about 15570.8746382469. The cubic root of 242452137 is about 623.5558224388. Note that the first 3 decimals are identical.

The spelling of 242452137 in words is "two hundred forty-two million, four hundred fifty-two thousand, one hundred thirty-seven".