242156733 has 32 divisors (see below), whose sum is σ = 402210816. Its totient is φ = 126180288.

The previous prime is 242156731. The next prime is 242156753. The reversal of 242156733 is 337651242.

It is not a de Polignac number, because 242156733 - 2¹ = 242156731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242156694 and 242156703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242156731) 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, 17316 + ... + 28002.

It is an arithmetic number, because the mean of its divisors is an integer number (12569088).

Almost surely, 2^242156733 is an apocalyptic number.

It is an amenable number.

242156733 is a deficient number, since it is larger than the sum of its proper divisors (160054083).

242156733 is a wasteful number, since it uses less digits than its factorization.

242156733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10793.

The product of its digits is 30240, while the sum is 33.

The square root of 242156733 is about 15561.3859601258. The cubic root of 242156733 is about 623.3024724411.

The spelling of 242156733 in words is "two hundred forty-two million, one hundred fifty-six thousand, seven hundred thirty-three".