155144101 has 8 divisors (see below), whose sum is σ = 186639680. Its totient is φ = 125981568.

The previous prime is 155144083. The next prime is 155144117. The reversal of 155144101 is 101441551.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 155144101 - 2⁵ = 155144069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155144191) 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 in 7 ways as a sum of consecutive naturals, for example, 583116 + ... + 583381.

It is an arithmetic number, because the mean of its divisors is an integer number (23329960).

Almost surely, 2^155144101 is an apocalyptic number.

It is an amenable number.

155144101 is a deficient number, since it is larger than the sum of its proper divisors (31495579).

155144101 is a wasteful number, since it uses less digits than its factorization.

155144101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166523.

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

The square root of 155144101 is about 12455.6854889645. The cubic root of 155144101 is about 537.3349495755.

Adding to 155144101 its reverse (101441551), we get a palindrome (256585652).

The spelling of 155144101 in words is "one hundred fifty-five million, one hundred forty-four thousand, one hundred one".