242489454 has 16 divisors (see below), whose sum is σ = 488235600. Its totient is φ = 80287040.

The previous prime is 242489449. The next prime is 242489477. The reversal of 242489454 is 454984242.

242489454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×242489454² = 117602270602436232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134727 + ... + 136514.

It is an arithmetic number, because the mean of its divisors is an integer number (30514725).

Almost surely, 2^242489454 is an apocalyptic number.

242489454 is an abundant number, since it is smaller than the sum of its proper divisors (245746146).

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

242489454 is a wasteful number, since it uses less digits than its factorization.

242489454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271395.

The product of its digits is 368640, while the sum is 42.

The square root of 242489454 is about 15572.0728870629. The cubic root of 242489454 is about 623.5878123114.

The spelling of 242489454 in words is "two hundred forty-two million, four hundred eighty-nine thousand, four hundred fifty-four".