242729045 has 8 divisors (see below), whose sum is σ = 313680696. Its totient is φ = 179246016.

The previous prime is 242729041. The next prime is 242729059. The reversal of 242729045 is 540927242.

It can be written as a sum of positive squares in 4 ways, for example, as 6584356 + 236144689 = 2566^2 + 15367^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242729045 - 2² = 242729041 is a prime.

It is a super-2 number, since 2×242729045² = 117834778573224050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242728996 and 242729014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242729041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1867082 + ... + 1867211.

It is an arithmetic number, because the mean of its divisors is an integer number (39210087).

Almost surely, 2^242729045 is an apocalyptic number.

It is an amenable number.

242729045 is a deficient number, since it is larger than the sum of its proper divisors (70951651).

242729045 is a wasteful number, since it uses less digits than its factorization.

242729045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734311.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 242729045 is about 15579.7639584173. The cubic root of 242729045 is about 623.7931227491.

The spelling of 242729045 in words is "two hundred forty-two million, seven hundred twenty-nine thousand, forty-five".