242545000 has 80 divisors (see below), whose sum is σ = 573566400. Its totient is φ = 96120000.

The previous prime is 242544989. The next prime is 242545033. The reversal of 242545000 is 545242.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 894865 + ... + 895135.

It is an arithmetic number, because the mean of its divisors is an integer number (7169580).

Almost surely, 2^242545000 is an apocalyptic number.

242545000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242545000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286783200).

242545000 is an abundant number, since it is smaller than the sum of its proper divisors (331021400).

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

242545000 is a wasteful number, since it uses less digits than its factorization.

242545000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 242545000 is about 15573.8562982968. The cubic root of 242545000 is about 623.6354228550.

The spelling of 242545000 in words is "two hundred forty-two million, five hundred forty-five thousand".