242098645 has 16 divisors (see below), whose sum is σ = 303948288. Its totient is φ = 184927360.

The previous prime is 242098639. The next prime is 242098687. The reversal of 242098645 is 546890242.

It is not a de Polignac number, because 242098645 - 2⁵ = 242098613 is a prime.

It is a super-2 number, since 2×242098645² = 117223507821672050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242098598 and 242098607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2929 + ... + 22198.

It is an arithmetic number, because the mean of its divisors is an integer number (18996768).

Almost surely, 2^242098645 is an apocalyptic number.

It is an amenable number.

242098645 is a deficient number, since it is larger than the sum of its proper divisors (61849643).

242098645 is a wasteful number, since it uses less digits than its factorization.

242098645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25220.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 242098645 is about 15559.5194334529. The cubic root of 242098645 is about 623.2526296678.

The spelling of 242098645 in words is "two hundred forty-two million, ninety-eight thousand, six hundred forty-five".