155544214 has 16 divisors (see below), whose sum is σ = 269238528. Its totient is φ = 66013992.

The previous prime is 155544211. The next prime is 155544251. The reversal of 155544214 is 412445551.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155544211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52492 + ... + 55375.

It is an arithmetic number, because the mean of its divisors is an integer number (16827408).

Almost surely, 2^155544214 is an apocalyptic number.

155544214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

155544214 is a deficient number, since it is larger than the sum of its proper divisors (113694314).

155544214 is a wasteful number, since it uses less digits than its factorization.

155544214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107979.

The product of its digits is 16000, while the sum is 31.

The square root of 155544214 is about 12471.7366072252. The cubic root of 155544214 is about 537.7964777924.

Adding to 155544214 its reverse (412445551), we get a palindrome (567989765).

It can be divided in two parts, 15554 and 4214, that multiplied together give a palindrome (65544556).

The spelling of 155544214 in words is "one hundred fifty-five million, five hundred forty-four thousand, two hundred fourteen".