155826342 has 40 divisors (see below), whose sum is σ = 399050256. Its totient is φ = 44521488.

The previous prime is 155826323. The next prime is 155826343. The reversal of 155826342 is 243628551.

155826342 is a `hidden beast` number, since 1 + 558 + 2 + 63 + 42 = 666.

It is a super-2 number, since 2×155826342² = 48563697722201928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155826297 and 155826306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155826343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 67573 + ... + 69840.

Almost surely, 2^155826342 is an apocalyptic number.

155826342 is an abundant number, since it is smaller than the sum of its proper divisors (243223914).

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

155826342 is a wasteful number, since it uses less digits than its factorization.

155826342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137434 (or 137425 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 155826342 is about 12483.0421772900. The cubic root of 155826342 is about 538.1214353465.

The spelling of 155826342 in words is "one hundred fifty-five million, eight hundred twenty-six thousand, three hundred forty-two".