155434982 has 8 divisors (see below), whose sum is σ = 233214552. Its totient is φ = 77696800.

The previous prime is 155434963. The next prime is 155434997. The reversal of 155434982 is 289434551.

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

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1982 + ... + 17742.

It is an arithmetic number, because the mean of its divisors is an integer number (29151819).

Almost surely, 2^155434982 is an apocalyptic number.

155434982 is a deficient number, since it is larger than the sum of its proper divisors (77779570).

155434982 is a wasteful number, since it uses less digits than its factorization.

155434982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20694.

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

The square root of 155434982 is about 12467.3566564850. The cubic root of 155434982 is about 537.6705578799.

The spelling of 155434982 in words is "one hundred fifty-five million, four hundred thirty-four thousand, nine hundred eighty-two".