155445134 has 8 divisors (see below), whose sum is σ = 251103720. Its totient is φ = 71743896.

The previous prime is 155445091. The next prime is 155445151. The reversal of 155445134 is 431544551.

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 155445134.

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, 2989304 + ... + 2989355.

It is an arithmetic number, because the mean of its divisors is an integer number (31387965).

Almost surely, 2^155445134 is an apocalyptic number.

155445134 is a deficient number, since it is larger than the sum of its proper divisors (95658586).

155445134 is a wasteful number, since it uses less digits than its factorization.

155445134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5978674.

The product of its digits is 24000, while the sum is 32.

The square root of 155445134 is about 12467.7637930785. The cubic root of 155445134 is about 537.6822633372.

Adding to 155445134 its reverse (431544551), we get a palindrome (586989685).

The spelling of 155445134 in words is "one hundred fifty-five million, four hundred forty-five thousand, one hundred thirty-four".