155456214 has 32 divisors (see below), whose sum is σ = 332177280. Its totient is φ = 48356352.

The previous prime is 155456179. The next prime is 155456221. The reversal of 155456214 is 412654551.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2539 + ... + 17814.

It is an arithmetic number, because the mean of its divisors is an integer number (10380540).

Almost surely, 2^155456214 is an apocalyptic number.

155456214 is an abundant number, since it is smaller than the sum of its proper divisors (176721066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155456214 is a wasteful number, since it uses less digits than its factorization.

155456214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20444.

The product of its digits is 24000, while the sum is 33.

The square root of 155456214 is about 12468.2081310828. The cubic root of 155456214 is about 537.6950382154.

The spelling of 155456214 in words is "one hundred fifty-five million, four hundred fifty-six thousand, two hundred fourteen".