155162234 has 4 divisors (see below), whose sum is σ = 232743354. Its totient is φ = 77581116.

The previous prime is 155162233. The next prime is 155162239. The reversal of 155162234 is 432261551.

155162234 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 102961609 + 52200625 = 10147^2 + 7225^2 .

It is a junction number, because it is equal to n+sod(n) for n = 155162197 and 155162206.

It is not an unprimeable number, because it can be changed into a prime (155162233) by changing a digit.

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 as a sum of consecutive naturals, namely, 38790557 + ... + 38790560.

Almost surely, 2^155162234 is an apocalyptic number.

155162234 is a deficient number, since it is larger than the sum of its proper divisors (77581120).

155162234 is an equidigital number, since it uses as much as digits as its factorization.

155162234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77581119.

The product of its digits is 7200, while the sum is 29.

The square root of 155162234 is about 12456.4133682212. The cubic root of 155162234 is about 537.3558830496.

The spelling of 155162234 in words is "one hundred fifty-five million, one hundred sixty-two thousand, two hundred thirty-four".