242155302 has 16 divisors (see below), whose sum is σ = 486100992. Its totient is φ = 80420040.

The previous prime is 242155301. The next prime is 242155321. The reversal of 242155302 is 203551242.

It is a super-2 number, since 2×242155302² = 117278380573422408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242155301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72838 + ... + 76089.

It is an arithmetic number, because the mean of its divisors is an integer number (30381312).

Almost surely, 2^242155302 is an apocalyptic number.

242155302 is an abundant number, since it is smaller than the sum of its proper divisors (243945690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242155302 is a wasteful number, since it uses less digits than its factorization.

242155302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149203.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 242155302 is about 15561.3399808628. The cubic root of 242155302 is about 623.3012446584.

The spelling of 242155302 in words is "two hundred forty-two million, one hundred fifty-five thousand, three hundred two".