155849342 has 8 divisors (see below), whose sum is σ = 255026232. Its totient is φ = 70840600.

The previous prime is 155849333. The next prime is 155849359. The reversal of 155849342 is 243948551.

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

It is a self number, because there is not a number n which added to its sum of digits gives 155849342.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3542009 + ... + 3542052.

It is an arithmetic number, because the mean of its divisors is an integer number (31878279).

Almost surely, 2^155849342 is an apocalyptic number.

155849342 is a deficient number, since it is larger than the sum of its proper divisors (99176890).

155849342 is a wasteful number, since it uses less digits than its factorization.

155849342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7084074.

The product of its digits is 172800, while the sum is 41.

The square root of 155849342 is about 12483.9633930896. The cubic root of 155849342 is about 538.1479096554.

The spelling of 155849342 in words is "one hundred fifty-five million, eight hundred forty-nine thousand, three hundred forty-two".