426242155 has 8 divisors (see below), whose sum is σ = 513915984. Its totient is φ = 339376800.

The previous prime is 426242147. The next prime is 426242161. The reversal of 426242155 is 551242624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 426242155 - 2³ = 426242147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200956 + ... + 203065.

It is an arithmetic number, because the mean of its divisors is an integer number (64239498).

Almost surely, 2^426242155 is an apocalyptic number.

426242155 is a deficient number, since it is larger than the sum of its proper divisors (87673829).

426242155 is a wasteful number, since it uses less digits than its factorization.

426242155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404237.

The product of its digits is 19200, while the sum is 31.

The square root of 426242155 is about 20645.6328311825. The cubic root of 426242155 is about 752.5790647711.

Adding to 426242155 its reverse (551242624), we get a palindrome (977484779).

The spelling of 426242155 in words is "four hundred twenty-six million, two hundred forty-two thousand, one hundred fifty-five".