155112214 has 8 divisors (see below), whose sum is σ = 238956768. Its totient is φ = 75459960.

The previous prime is 155112211. The next prime is 155112241. The reversal of 155112214 is 412211551.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155112211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1047982 + ... + 1048129.

It is an arithmetic number, because the mean of its divisors is an integer number (29869596).

Almost surely, 2^155112214 is an apocalyptic number.

155112214 is a deficient number, since it is larger than the sum of its proper divisors (83844554).

155112214 is a wasteful number, since it uses less digits than its factorization.

155112214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096150.

The product of its digits is 400, while the sum is 22.

The square root of 155112214 is about 12454.4054053174. The cubic root of 155112214 is about 537.2981339668.

Adding to 155112214 its reverse (412211551), we get a palindrome (567323765).

The spelling of 155112214 in words is "one hundred fifty-five million, one hundred twelve thousand, two hundred fourteen".