155122234 has 8 divisors (see below), whose sum is σ = 233170560. Its totient is φ = 77398716.

The previous prime is 155122217. The next prime is 155122243. The reversal of 155122234 is 432221551.

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

It is a junction number, because it is equal to n+sod(n) for n = 155122199 and 155122208.

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, 80004 + ... + 81919.

It is an arithmetic number, because the mean of its divisors is an integer number (29146320).

Almost surely, 2^155122234 is an apocalyptic number.

155122234 is a deficient number, since it is larger than the sum of its proper divisors (78048326).

155122234 is a wasteful number, since it uses less digits than its factorization.

155122234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162404.

The product of its digits is 2400, while the sum is 25.

The square root of 155122234 is about 12454.8076661183. The cubic root of 155122234 is about 537.3097032499.

Adding to 155122234 its reverse (432221551), we get a palindrome (587343785).

The spelling of 155122234 in words is "one hundred fifty-five million, one hundred twenty-two thousand, two hundred thirty-four".