155858342 has 8 divisors (see below), whose sum is σ = 233880696. Its totient is φ = 77898112.

The previous prime is 155858317. The next prime is 155858347. The reversal of 155858342 is 243858551.

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 155858342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155858347) 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 3 ways as a sum of consecutive naturals, for example, 8648 + ... + 19659.

It is an arithmetic number, because the mean of its divisors is an integer number (29235087).

Almost surely, 2^155858342 is an apocalyptic number.

155858342 is a deficient number, since it is larger than the sum of its proper divisors (78022354).

155858342 is a wasteful number, since it uses less digits than its factorization.

155858342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31062.

The product of its digits is 192000, while the sum is 41.

The square root of 155858342 is about 12484.3238503333. The cubic root of 155858342 is about 538.1582684585.

The spelling of 155858342 in words is "one hundred fifty-five million, eight hundred fifty-eight thousand, three hundred forty-two".