242458545 has 16 divisors (see below), whose sum is σ = 443352960. Its totient is φ = 110838144.

The previous prime is 242458523. The next prime is 242458547. The reversal of 242458545 is 545854242.

It is not a de Polignac number, because 242458545 - 2⁷ = 242458417 is a prime.

It is a super-2 number, since 2×242458545² = 117572292087034050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242458547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1154460 + ... + 1154669.

It is an arithmetic number, because the mean of its divisors is an integer number (27709560).

Almost surely, 2^242458545 is an apocalyptic number.

It is an amenable number.

242458545 is a deficient number, since it is larger than the sum of its proper divisors (200894415).

242458545 is a wasteful number, since it uses less digits than its factorization.

242458545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309144.

The product of its digits is 256000, while the sum is 39.

The square root of 242458545 is about 15571.0804056751. The cubic root of 242458545 is about 623.5613159087.

The spelling of 242458545 in words is "two hundred forty-two million, four hundred fifty-eight thousand, five hundred forty-five".