242545212 has 384 divisors, whose sum is σ = 858009600. Its totient is φ = 57480192.

The previous prime is 242545207. The next prime is 242545229. The reversal of 242545212 is 212545242.

242545212 = 259² + 260² + ... + 906².

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6555258 + ... + 6555294.

It is an arithmetic number, because the mean of its divisors is an integer number (2234400).

Almost surely, 2^242545212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242545212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429004800).

242545212 is an abundant number, since it is smaller than the sum of its proper divisors (615464388).

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

242545212 is a wasteful number, since it uses less digits than its factorization.

242545212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 114 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 242545212 is about 15573.8631045736. The cubic root of 242545212 is about 623.6356045542.

The spelling of 242545212 in words is "two hundred forty-two million, five hundred forty-five thousand, two hundred twelve".