155114101 has 4 divisors (see below), whose sum is σ = 159306412. Its totient is φ = 150921792.

The previous prime is 155114077. The next prime is 155114129. The reversal of 155114101 is 101411551.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80982001 + 74132100 = 8999^2 + 8610^2 .

It is a cyclic number.

It is not a de Polignac number, because 155114101 - 2⁹ = 155113589 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 (155114161) 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 3 ways as a sum of consecutive naturals, for example, 2096100 + ... + 2096173.

It is an arithmetic number, because the mean of its divisors is an integer number (39826603).

Almost surely, 2^155114101 is an apocalyptic number.

It is an amenable number.

155114101 is a deficient number, since it is larger than the sum of its proper divisors (4192311).

155114101 is an equidigital number, since it uses as much as digits as its factorization.

155114101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4192310.

The product of its (nonzero) digits is 100, while the sum is 19.

The square root of 155114101 is about 12454.4811614133. The cubic root of 155114101 is about 537.3003127711.

Adding to 155114101 its reverse (101411551), we get a palindrome (256525652).

The spelling of 155114101 in words is "one hundred fifty-five million, one hundred fourteen thousand, one hundred one".