155636342 has 8 divisors (see below), whose sum is σ = 233729496. Its totient is φ = 77726512.

The previous prime is 155636339. The next prime is 155636357. The reversal of 155636342 is 243636551.

155636342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×155636342² = 48445341902281928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43688 + ... + 47115.

It is an arithmetic number, because the mean of its divisors is an integer number (29216187).

Almost surely, 2^155636342 is an apocalyptic number.

155636342 is a deficient number, since it is larger than the sum of its proper divisors (78093154).

155636342 is an equidigital number, since it uses as much as digits as its factorization.

155636342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91662.

The product of its digits is 64800, while the sum is 35.

The square root of 155636342 is about 12475.4295316835. The cubic root of 155636342 is about 537.9026348220.

The spelling of 155636342 in words is "one hundred fifty-five million, six hundred thirty-six thousand, three hundred forty-two".