242172052 has 12 divisors (see below), whose sum is σ = 431797716. Its totient is φ = 118801280.

The previous prime is 242172019. The next prime is 242172053. The reversal of 242172052 is 250271242.

It can be written as a sum of positive squares in 2 ways, for example, as 62504836 + 179667216 = 7906^2 + 13404^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242172053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570949 + ... + 571372.

It is an arithmetic number, because the mean of its divisors is an integer number (35983143).

Almost surely, 2^242172052 is an apocalyptic number.

It is an amenable number.

242172052 is a deficient number, since it is larger than the sum of its proper divisors (189625664).

242172052 is a wasteful number, since it uses less digits than its factorization.

242172052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142378 (or 1142376 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 242172052 is about 15561.8781642834. The cubic root of 242172052 is about 623.3156156771.

The spelling of 242172052 in words is "two hundred forty-two million, one hundred seventy-two thousand, fifty-two".