155107 has 4 divisors (see below), whose sum is σ = 156640. Its totient is φ = 153576.

The previous prime is 155087. The next prime is 155119. The reversal of 155107 is 701551.

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

It is a cyclic number.

It is not a de Polignac number, because 155107 - 2¹¹ = 153059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155137) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 603 + ... + 820.

It is an arithmetic number, because the mean of its divisors is an integer number (39160).

2¹⁵⁵¹⁰⁷ is an apocalyptic number.

155107 is a deficient number, since it is larger than the sum of its proper divisors (1533).

155107 is a wasteful number, since it uses less digits than its factorization.

155107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532.

The product of its (nonzero) digits is 175, while the sum is 19.

The square root of 155107 is about 393.8362603926. The cubic root of 155107 is about 53.7292113586.

Adding to 155107 its reverse (701551), we get a palindrome (856658).

It can be divided in two parts, 155 and 107, that added together give a palindrome (262).

The spelling of 155107 in words is "one hundred fifty-five thousand, one hundred seven".